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href="login.wikimedia.org"> </head> <body class="skin-vector-legacy mediawiki ltr sitedir-ltr mw-hide-empty-elt ns-0 ns-subject mw-editable page-Q550593 rootpage-Q550593 skin-vector action-view wb-entitypage wb-itempage wb-itempage-Q550593"><div id="mw-page-base" class="noprint"></div> <div id="mw-head-base" class="noprint"></div> <div id="content" class="mw-body" role="main"> <a id="top"></a> <div id="siteNotice"></div> <div class="mw-indicators"> </div> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="wikibase-title "> <span class="wikibase-title-label">Klein four-group</span> <span class="wikibase-title-id">(Q550593)</span> </span></h1> <div id="bodyContent" class="vector-body"> <div id="siteSub" class="noprint">From Wikidata</div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="contentSub2"></div> <div id="jump-to-nav"></div> <a class="mw-jump-link" href="#mw-head">Jump to navigation</a> <a class="mw-jump-link" href="#searchInput">Jump to search</a> <div id="mw-content-text" class="mw-body-content"><div id="wb-item-Q550593" class="wikibase-entityview wb-item" lang="en" dir="ltr"> <div class="wikibase-entityview-main"><div class="wikibase-entitytermsview"> <div class="wikibase-entitytermsview-heading"> <div class="wikibase-entitytermsview-heading-description ">direct product of two cyclic groups of order two; smallest group that is non-cyclic</div><div class="wikibase-entitytermsview-heading-aliases "><ul class="wikibase-entitytermsview-aliases"><li class="wikibase-entitytermsview-aliases-alias" data-aliases-separator="|">Z2×Z2</li><li class="wikibase-entitytermsview-aliases-alias" data-aliases-separator="|">Dih2</li><li class="wikibase-entitytermsview-aliases-alias" data-aliases-separator="|">vierergruppe</li><li class="wikibase-entitytermsview-aliases-alias" data-aliases-separator="|">Klein group</li><li class="wikibase-entitytermsview-aliases-alias" data-aliases-separator="|">V4</li><li class="wikibase-entitytermsview-aliases-alias" data-aliases-separator="|">C2×C2</li><li class="wikibase-entitytermsview-aliases-alias" data-aliases-separator="|">dihedral group of order 4</li></ul></div> </div> <span class="wikibase-toolbar-container"><span class="wikibase-toolbar-item wikibase-toolbar "><span class="wikibase-toolbar-item wikibase-toolbar-button wikibase-toolbar-button-edit"><a href="/wiki/Special:SetLabelDescriptionAliases/Q550593/en" title=""><span class="wb-icon"></span>edit</a></span></span></span> <div class="wikibase-entitytermsview-entitytermsforlanguagelistview "><table class="wikibase-entitytermsforlanguagelistview"> <thead class="wikibase-entitytermsforlanguagelistview-header"> <tr class="wikibase-entitytermsforlanguagelistview-header-row"> <th scope="col" class="wikibase-entitytermsforlanguagelistview-cell wikibase-entitytermsforlanguagelistview-language">Language</th> <th scope="col" class="wikibase-entitytermsforlanguagelistview-cell wikibase-entitytermsforlanguagelistview-label">Label</th> <th scope="col" class="wikibase-entitytermsforlanguagelistview-cell wikibase-entitytermsforlanguagelistview-description">Description</th> <th scope="col" class="wikibase-entitytermsforlanguagelistview-cell wikibase-entitytermsforlanguagelistview-aliases">Also known as</th> </tr> </thead> <tbody class="wikibase-entitytermsforlanguagelistview-listview"><tr class="wikibase-entitytermsforlanguageview wikibase-entitytermsforlanguageview-en" > <th class="wikibase-entitytermsforlanguageview-language">English</th> <td class="wikibase-entitytermsforlanguageview-label"><div class="wikibase-labelview " dir="ltr" lang="en"><div class="wikibase-labelview-container"><span class="wikibase-labelview-text">Klein four-group</span></div></div></td> <td class="wikibase-entitytermsforlanguageview-description"><div class="wikibase-descriptionview " dir="ltr" lang="en"><div class="wikibase-descriptionview-container"><span class="wikibase-descriptionview-text">direct product of two cyclic groups of order two; smallest group that is non-cyclic</span></div></div></td> <td class="wikibase-entitytermsforlanguageview-aliases"><div class="wikibase-aliasesview "> <ul class="wikibase-aliasesview-list" dir="ltr" lang="en"><li class="wikibase-aliasesview-list-item">Z2×Z2</li><li class="wikibase-aliasesview-list-item">Dih2</li><li class="wikibase-aliasesview-list-item">vierergruppe</li><li class="wikibase-aliasesview-list-item">Klein group</li><li class="wikibase-aliasesview-list-item">V4</li><li class="wikibase-aliasesview-list-item">C2×C2</li><li class="wikibase-aliasesview-list-item">dihedral group of order 4</li></ul> </div></td> </tr></tbody> </table></div> </div><div id="toc"></div><h2 class="wb-section-heading section-heading wikibase-statements" dir="auto" id="claims">Statements</h2><div class="wikibase-statementgrouplistview"><div class="wikibase-listview"><div class="wikibase-statementgroupview" id="P31" data-property-id="P31"> <div class="wikibase-statementgroupview-property"> <div class="wikibase-statementgroupview-property-label" dir="auto"><a title="Property:P31" href="/wiki/Property:P31">instance of</a></div> </div> <div class="wikibase-statementlistview"> <div class="wikibase-statementlistview-listview"> <div id="Q550593$5c6fcc0b-4f2a-08bb-63d7-37e5cc9de52c" class="wikibase-statementview wikibase-statement-Q550593$5c6fcc0b-4f2a-08bb-63d7-37e5cc9de52c wb-normal"> <div class="wikibase-statementview-rankselector"><div class="wikibase-rankselector ui-state-disabled"> <span class="ui-icon ui-icon-rankselector wikibase-rankselector-normal" title="Normal rank"></span> </div></div> <div class="wikibase-statementview-mainsnak-container"> <div class="wikibase-statementview-mainsnak" dir="auto"><div class="wikibase-snakview wikibase-snakview-465cb67c99cef2d69dec149b0ef2509849755ad7"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak"><a title="Q3117606" href="/wiki/Q3117606">finite abelian group</a></div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> <div class="wikibase-statementview-qualifiers"></div> </div> <span class="wikibase-toolbar-container"></span> <div class="wikibase-statementview-references-container"> <div class="wikibase-statementview-references-heading">0 references</div> <div class="wikibase-statementview-references "></div> </div> </div><div id="Q550593$629e8f3e-4012-83a8-c901-a23ced7dba34" class="wikibase-statementview wikibase-statement-Q550593$629e8f3e-4012-83a8-c901-a23ced7dba34 wb-normal"> <div class="wikibase-statementview-rankselector"><div class="wikibase-rankselector ui-state-disabled"> <span class="ui-icon ui-icon-rankselector wikibase-rankselector-normal" title="Normal rank"></span> </div></div> <div class="wikibase-statementview-mainsnak-container"> <div class="wikibase-statementview-mainsnak" dir="auto"><div class="wikibase-snakview wikibase-snakview-fe4ad98cb9b2a4fa2244a9b454ee4dc1d870a54e"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak"><a title="Q558339" href="/wiki/Q558339">dihedral group</a></div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> <div class="wikibase-statementview-qualifiers"></div> </div> <span class="wikibase-toolbar-container"></span> <div class="wikibase-statementview-references-container"> <div class="wikibase-statementview-references-heading">0 references</div> <div class="wikibase-statementview-references "></div> </div> </div> </div> <span class="wikibase-toolbar-container"></span> </div> </div><div class="wikibase-statementgroupview" id="P138" data-property-id="P138"> <div class="wikibase-statementgroupview-property"> <div class="wikibase-statementgroupview-property-label" dir="auto"><a title="Property:P138" href="/wiki/Property:P138">named after</a></div> </div> <div class="wikibase-statementlistview"> <div class="wikibase-statementlistview-listview"> <div id="q550593$D4888971-92C8-4DE5-A2F5-6B0531D1C1BD" class="wikibase-statementview wikibase-statement-q550593$D4888971-92C8-4DE5-A2F5-6B0531D1C1BD wb-normal"> <div class="wikibase-statementview-rankselector"><div class="wikibase-rankselector ui-state-disabled"> <span class="ui-icon ui-icon-rankselector wikibase-rankselector-normal" title="Normal rank"></span> </div></div> <div class="wikibase-statementview-mainsnak-container"> <div class="wikibase-statementview-mainsnak" dir="auto"><div class="wikibase-snakview wikibase-snakview-34095fa272502f42fa193fff8b085299a6cc9f9e"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak"><a title="Q76641" href="/wiki/Q76641">Felix Klein</a></div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> <div class="wikibase-statementview-qualifiers"></div> </div> <span class="wikibase-toolbar-container"></span> <div class="wikibase-statementview-references-container"> <div class="wikibase-statementview-references-heading">0 references</div> <div class="wikibase-statementview-references "></div> </div> </div> </div> <span class="wikibase-toolbar-container"></span> </div> </div><div class="wikibase-statementgroupview" id="P2579" data-property-id="P2579"> <div class="wikibase-statementgroupview-property"> <div class="wikibase-statementgroupview-property-label" dir="auto"><a title="Property:P2579" href="/wiki/Property:P2579">studied in</a></div> </div> <div class="wikibase-statementlistview"> <div class="wikibase-statementlistview-listview"> <div id="Q550593$8549ADC9-EB5A-4781-AAE8-C19B6C3FF074" class="wikibase-statementview wikibase-statement-Q550593$8549ADC9-EB5A-4781-AAE8-C19B6C3FF074 wb-normal"> <div class="wikibase-statementview-rankselector"><div class="wikibase-rankselector ui-state-disabled"> <span class="ui-icon ui-icon-rankselector wikibase-rankselector-normal" title="Normal rank"></span> </div></div> <div class="wikibase-statementview-mainsnak-container"> <div class="wikibase-statementview-mainsnak" dir="auto"><div class="wikibase-snakview wikibase-snakview-0b7ef1b092016ce3449e9c3ebc370944c81b6cb6"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak"><a title="Q874429" href="/wiki/Q874429">group theory</a></div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> <div class="wikibase-statementview-qualifiers"></div> </div> <span class="wikibase-toolbar-container"></span> <div class="wikibase-statementview-references-container"> <div class="wikibase-statementview-references-heading">0 references</div> <div class="wikibase-statementview-references "></div> </div> </div> </div> <span class="wikibase-toolbar-container"></span> </div> </div><div class="wikibase-statementgroupview" id="P2534" data-property-id="P2534"> <div class="wikibase-statementgroupview-property"> <div class="wikibase-statementgroupview-property-label" dir="auto"><a title="Property:P2534" href="/wiki/Property:P2534">defining formula</a></div> </div> <div class="wikibase-statementlistview"> <div class="wikibase-statementlistview-listview"> <div id="Q550593$8d0741ce-4573-b107-da59-082583a8b8c4" class="wikibase-statementview wikibase-statement-Q550593$8d0741ce-4573-b107-da59-082583a8b8c4 wb-normal"> <div class="wikibase-statementview-rankselector"><div class="wikibase-rankselector ui-state-disabled"> <span class="ui-icon ui-icon-rankselector wikibase-rankselector-normal" title="Normal rank"></span> </div></div> <div class="wikibase-statementview-mainsnak-container"> <div class="wikibase-statementview-mainsnak" dir="auto"><div class="wikibase-snakview wikibase-snakview-2fa21b3a666506b488b6974cbb4f1deedab007f2"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak"><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathrm {V} =\langle a,b\mid a^{2}=b^{2}=(ab)^{2}=e\rangle }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">V</mi> </mrow> <mo>=</mo> <mo fence="false" stretchy="false">⟨</mo> <mi>a</mi> <mo>,</mo> <mi>b</mi> <mo>∣</mo> <msup> <mi>a</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <mo>=</mo> <msup> <mi>b</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <mo>=</mo> <mo stretchy="false">(</mo> <mi>a</mi> <mi>b</mi> <msup> <mo stretchy="false">)</mo> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <mo>=</mo> <mi>e</mi> <mo fence="false" stretchy="false">⟩</mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \mathrm {V} =\langle a,b\mid a^{2}=b^{2}=(ab)^{2}=e\rangle }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/71b463f7363eb607c0fd4146dd1038fd243e9f4a" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:31.655ex; height:3.176ex;" alt="{\displaystyle \mathrm {V} =\langle a,b\mid a^{2}=b^{2}=(ab)^{2}=e\rangle }"></span></div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> <div class="wikibase-statementview-qualifiers"></div> </div> <span class="wikibase-toolbar-container"></span> <div class="wikibase-statementview-references-container"> <div class="wikibase-statementview-references-heading">0 references</div> <div class="wikibase-statementview-references "></div> </div> </div> </div> <span class="wikibase-toolbar-container"></span> </div> </div><div class="wikibase-statementgroupview" id="P1164" data-property-id="P1164"> <div class="wikibase-statementgroupview-property"> <div class="wikibase-statementgroupview-property-label" dir="auto"><a title="Property:P1164" href="/wiki/Property:P1164">group cardinality</a></div> </div> <div class="wikibase-statementlistview"> <div class="wikibase-statementlistview-listview"> <div id="Q550593$96c602ea-4010-6ca0-b2bb-5f99cf10bf8d" class="wikibase-statementview wikibase-statement-Q550593$96c602ea-4010-6ca0-b2bb-5f99cf10bf8d wb-normal"> <div class="wikibase-statementview-rankselector"><div class="wikibase-rankselector ui-state-disabled"> <span class="ui-icon ui-icon-rankselector wikibase-rankselector-normal" title="Normal rank"></span> </div></div> <div class="wikibase-statementview-mainsnak-container"> <div class="wikibase-statementview-mainsnak" dir="auto"><div class="wikibase-snakview wikibase-snakview-aa60ad2f5d4e15993d7b3d6b5d4040f54c4ede9e"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak">4</div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> <div class="wikibase-statementview-qualifiers"></div> </div> <span class="wikibase-toolbar-container"></span> <div class="wikibase-statementview-references-container"> <div class="wikibase-statementview-references-heading">0 references</div> <div class="wikibase-statementview-references "></div> </div> </div> </div> <span class="wikibase-toolbar-container"></span> </div> </div><div class="wikibase-statementgroupview" id="P6104" data-property-id="P6104"> <div class="wikibase-statementgroupview-property"> <div class="wikibase-statementgroupview-property-label" dir="auto"><a title="Property:P6104" href="/wiki/Property:P6104">maintained by WikiProject</a></div> </div> <div class="wikibase-statementlistview"> <div class="wikibase-statementlistview-listview"> <div id="Q550593$05073052-4221-4303-B6E9-DDDFB7829738" class="wikibase-statementview wikibase-statement-Q550593$05073052-4221-4303-B6E9-DDDFB7829738 wb-normal"> <div class="wikibase-statementview-rankselector"><div class="wikibase-rankselector ui-state-disabled"> <span class="ui-icon ui-icon-rankselector wikibase-rankselector-normal" title="Normal rank"></span> </div></div> <div class="wikibase-statementview-mainsnak-container"> <div class="wikibase-statementview-mainsnak" dir="auto"><div class="wikibase-snakview wikibase-snakview-a27c5fdb35b42381f12b2a603711e56d98dd77fd"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak"><a title="Q8487137" href="/wiki/Q8487137">WikiProject Mathematics</a></div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> <div class="wikibase-statementview-qualifiers"></div> </div> <span class="wikibase-toolbar-container"></span> <div class="wikibase-statementview-references-container"> <div class="wikibase-statementview-references-heading">0 references</div> <div class="wikibase-statementview-references "></div> </div> </div> </div> <span class="wikibase-toolbar-container"></span> </div> </div><div class="wikibase-statementgroupview" id="P373" data-property-id="P373"> <div class="wikibase-statementgroupview-property"> <div class="wikibase-statementgroupview-property-label" dir="auto"><a title="Property:P373" href="/wiki/Property:P373">Commons category</a></div> </div> <div class="wikibase-statementlistview"> <div class="wikibase-statementlistview-listview"> <div id="Q550593$eb15a4ef-4125-cdcd-8577-7f5fc1aea906" class="wikibase-statementview wikibase-statement-Q550593$eb15a4ef-4125-cdcd-8577-7f5fc1aea906 wb-normal"> <div class="wikibase-statementview-rankselector"><div class="wikibase-rankselector ui-state-disabled"> <span class="ui-icon ui-icon-rankselector wikibase-rankselector-normal" title="Normal rank"></span> </div></div> <div class="wikibase-statementview-mainsnak-container"> <div class="wikibase-statementview-mainsnak" dir="auto"><div class="wikibase-snakview wikibase-snakview-a0b8d3dc839cbb5ff532446246df710fc54dbb90"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak">Klein four-group</div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> <div class="wikibase-statementview-qualifiers"></div> </div> <span class="wikibase-toolbar-container"></span> <div class="wikibase-statementview-references-container"> <div class="wikibase-statementview-references-heading">0 references</div> <div class="wikibase-statementview-references "></div> </div> </div> </div> <span class="wikibase-toolbar-container"></span> </div> </div></div></div><h2 class="wb-section-heading section-heading wikibase-statements wikibase-statements-identifiers" dir="auto" id="identifiers">Identifiers</h2><div class="wikibase-statementgrouplistview"><div class="wikibase-listview"><div class="wikibase-statementgroupview" id="P8313" data-property-id="P8313"> <div class="wikibase-statementgroupview-property"> <div class="wikibase-statementgroupview-property-label" dir="auto"><a title="Property:P8313" href="/wiki/Property:P8313">Lex ID</a></div> </div> <div class="wikibase-statementlistview"> <div class="wikibase-statementlistview-listview"> <div id="Q550593$471A7733-6C34-4181-9A38-DA8D9116DDE1" class="wikibase-statementview wikibase-statement-Q550593$471A7733-6C34-4181-9A38-DA8D9116DDE1 wb-normal"> <div class="wikibase-statementview-rankselector"><div class="wikibase-rankselector ui-state-disabled"> <span class="ui-icon ui-icon-rankselector wikibase-rankselector-normal" title="Normal rank"></span> </div></div> <div class="wikibase-statementview-mainsnak-container"> <div class="wikibase-statementview-mainsnak" dir="auto"><div class="wikibase-snakview wikibase-snakview-ea3d68d2ac0aa2cbcf4d093e2d0d55bce444cd1a"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak"><a class="wb-external-id external" href="https://wikidata-externalid-url.toolforge.org/?p=8313&url_prefix=https://lex.dk/&id=Kleins_firegruppe" rel="nofollow">Kleins_firegruppe</a></div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> <div class="wikibase-statementview-qualifiers"></div> </div> <span class="wikibase-toolbar-container"></span> <div class="wikibase-statementview-references-container"> <div class="wikibase-statementview-references-heading">0 references</div> <div class="wikibase-statementview-references "></div> </div> </div> </div> <span class="wikibase-toolbar-container"></span> </div> </div><div class="wikibase-statementgroupview" id="P646" data-property-id="P646"> <div class="wikibase-statementgroupview-property"> <div class="wikibase-statementgroupview-property-label" dir="auto"><a title="Property:P646" href="/wiki/Property:P646">Freebase ID</a></div> </div> <div class="wikibase-statementlistview"> <div class="wikibase-statementlistview-listview"> <div id="Q550593$C3524F2A-6C02-4696-B873-32CBD0DE3976" class="wikibase-statementview wikibase-statement-Q550593$C3524F2A-6C02-4696-B873-32CBD0DE3976 wb-normal"> <div class="wikibase-statementview-rankselector"><div class="wikibase-rankselector ui-state-disabled"> <span class="ui-icon ui-icon-rankselector wikibase-rankselector-normal" title="Normal rank"></span> </div></div> <div class="wikibase-statementview-mainsnak-container"> <div class="wikibase-statementview-mainsnak" dir="auto"><div class="wikibase-snakview wikibase-snakview-5815f3071e386a48f09e7b36e669eb65ff429f1f"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak"><a class="wb-external-id external" href="https://www.google.com/search?kgmid=/m/0bjhh" rel="nofollow">/m/0bjhh</a></div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> <div class="wikibase-statementview-qualifiers"></div> </div> <span class="wikibase-toolbar-container"></span> <div class="wikibase-statementview-references-container"> <div class="wikibase-statementview-references-heading">1 reference</div> <div class="wikibase-statementview-references wikibase-initially-collapsed"><div class="wikibase-listview"><div class="wikibase-referenceview wikibase-referenceview-2b00cb481cddcac7623114367489b5c194901c4a"> <div class="wikibase-referenceview-heading"></div> <div class="wikibase-referenceview-listview"><div class="wikibase-snaklistview"> <div class="wikibase-snaklistview-listview"><div class="wikibase-snakview wikibase-snakview-a94b740202b097dd33355e0e6c00e54b9395e5e0"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"><a title="Property:P248" href="/wiki/Property:P248">stated in</a></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak"><a title="Q15241312" href="/wiki/Q15241312">Freebase Data Dumps</a></div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> </div><div class="wikibase-snaklistview"> <div class="wikibase-snaklistview-listview"><div class="wikibase-snakview wikibase-snakview-fde79ecb015112d2f29229ccc1ec514ed3e71fa2"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"><a title="Property:P577" href="/wiki/Property:P577">publication date</a></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak">28 October 2013</div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> </div></div> </div></div></div> </div> </div> </div> <span class="wikibase-toolbar-container"></span> </div> </div><div class="wikibase-statementgroupview" id="P8417" data-property-id="P8417"> <div class="wikibase-statementgroupview-property"> <div class="wikibase-statementgroupview-property-label" dir="auto"><a title="Property:P8417" href="/wiki/Property:P8417">Group Properties article ID</a></div> </div> <div class="wikibase-statementlistview"> <div class="wikibase-statementlistview-listview"> <div id="Q550593$d32396c3-45e8-3ca5-a4f2-5d6ea96da428" class="wikibase-statementview wikibase-statement-Q550593$d32396c3-45e8-3ca5-a4f2-5d6ea96da428 wb-normal"> <div class="wikibase-statementview-rankselector"><div class="wikibase-rankselector ui-state-disabled"> <span class="ui-icon ui-icon-rankselector wikibase-rankselector-normal" title="Normal rank"></span> </div></div> <div class="wikibase-statementview-mainsnak-container"> <div class="wikibase-statementview-mainsnak" dir="auto"><div class="wikibase-snakview wikibase-snakview-6a2d07c8f9240a9ae8e1fb2a15077badcdd32410"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak"><a class="wb-external-id external" href="https://groupprops.subwiki.org/wiki/Klein_four-group" rel="nofollow">Klein_four-group</a></div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> <div class="wikibase-statementview-qualifiers"></div> </div> <span class="wikibase-toolbar-container"></span> <div class="wikibase-statementview-references-container"> <div class="wikibase-statementview-references-heading">0 references</div> <div class="wikibase-statementview-references "></div> </div> </div> </div> <span class="wikibase-toolbar-container"></span> </div> </div><div class="wikibase-statementgroupview" id="P2812" data-property-id="P2812"> <div class="wikibase-statementgroupview-property"> <div class="wikibase-statementgroupview-property-label" dir="auto"><a title="Property:P2812" href="/wiki/Property:P2812">MathWorld ID</a></div> </div> <div class="wikibase-statementlistview"> <div class="wikibase-statementlistview-listview"> <div id="Q550593$976E151A-0BE0-4EFD-A9E0-50045A7F1A15" class="wikibase-statementview wikibase-statement-Q550593$976E151A-0BE0-4EFD-A9E0-50045A7F1A15 wb-normal"> <div class="wikibase-statementview-rankselector"><div class="wikibase-rankselector ui-state-disabled"> <span class="ui-icon ui-icon-rankselector wikibase-rankselector-normal" title="Normal rank"></span> </div></div> <div class="wikibase-statementview-mainsnak-container"> <div class="wikibase-statementview-mainsnak" dir="auto"><div class="wikibase-snakview wikibase-snakview-6653c3cdbb1dd8126f6df18be65bb70bcbd52d49"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak"><a class="wb-external-id external" href="https://mathworld.wolfram.com/Vierergruppe.html" rel="nofollow">Vierergruppe</a></div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> <div class="wikibase-statementview-qualifiers"><div class="wikibase-listview"><div class="wikibase-snaklistview"> <div class="wikibase-snaklistview-listview"><div class="wikibase-snakview wikibase-snakview-314b5a4507d67ebd6cbca7634ed500f6bbe2d0ef"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"><a title="Property:P1810" href="/wiki/Property:P1810">subject named as</a></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak">Vierergruppe</div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> </div></div></div> </div> <span class="wikibase-toolbar-container"></span> <div class="wikibase-statementview-references-container"> <div class="wikibase-statementview-references-heading">1 reference</div> <div class="wikibase-statementview-references wikibase-initially-collapsed"><div class="wikibase-listview"><div class="wikibase-referenceview wikibase-referenceview-fa278ebfc458360e5aed63d5058cca83c46134f1"> <div class="wikibase-referenceview-heading"></div> <div class="wikibase-referenceview-listview"><div class="wikibase-snaklistview"> <div class="wikibase-snaklistview-listview"><div class="wikibase-snakview wikibase-snakview-e4f6d9441d0600513c4533c672b5ab472dc73694"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"><a title="Property:P143" href="/wiki/Property:P143">imported from Wikimedia project</a></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak"><a title="Q328" href="/wiki/Q328">English Wikipedia</a></div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> </div></div> </div></div></div> </div> </div><div id="Q550593$a600477c-4399-3128-6905-3932e95a1b95" class="wikibase-statementview wikibase-statement-Q550593$a600477c-4399-3128-6905-3932e95a1b95 wb-normal"> <div class="wikibase-statementview-rankselector"><div class="wikibase-rankselector ui-state-disabled"> <span class="ui-icon ui-icon-rankselector wikibase-rankselector-normal" title="Normal rank"></span> </div></div> <div class="wikibase-statementview-mainsnak-container"> <div class="wikibase-statementview-mainsnak" dir="auto"><div class="wikibase-snakview wikibase-snakview-f7aa43a19f56203c51be5d0c92cc89d97dbca06a"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak"><a class="wb-external-id external" href="https://mathworld.wolfram.com/FiniteGroupC2xC2.html" rel="nofollow">FiniteGroupC2xC2</a></div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> <div class="wikibase-statementview-qualifiers"><div class="wikibase-listview"><div class="wikibase-snaklistview"> <div class="wikibase-snaklistview-listview"><div class="wikibase-snakview wikibase-snakview-157836ae3be35073d6bcc46add7016cf42d78e06"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"><a title="Property:P1810" href="/wiki/Property:P1810">subject named as</a></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak">Finite Group C_2×C_2</div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> </div></div></div> </div> <span class="wikibase-toolbar-container"></span> <div class="wikibase-statementview-references-container"> <div class="wikibase-statementview-references-heading">0 references</div> <div class="wikibase-statementview-references "></div> </div> </div><div id="Q550593$D6CF649C-97BA-4513-9452-61273934B218" class="wikibase-statementview wikibase-statement-Q550593$D6CF649C-97BA-4513-9452-61273934B218 wb-normal"> <div class="wikibase-statementview-rankselector"><div class="wikibase-rankselector ui-state-disabled"> <span class="ui-icon ui-icon-rankselector wikibase-rankselector-normal" title="Normal rank"></span> </div></div> <div class="wikibase-statementview-mainsnak-container"> <div class="wikibase-statementview-mainsnak" dir="auto"><div class="wikibase-snakview wikibase-snakview-cfd8499065c07e68928b8cf130e56a82fc69f55b"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak"><a class="wb-external-id external" href="https://mathworld.wolfram.com/KleinFour-Group.html" rel="nofollow">KleinFour-Group</a></div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> <div class="wikibase-statementview-qualifiers"><div class="wikibase-listview"><div class="wikibase-snaklistview"> <div class="wikibase-snaklistview-listview"><div class="wikibase-snakview wikibase-snakview-f0e5ce5929d3e81316622431012814993f442933"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"><a title="Property:P1810" href="/wiki/Property:P1810">subject named as</a></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak">Klein Four-Group</div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> </div></div></div> </div> <span class="wikibase-toolbar-container"></span> <div class="wikibase-statementview-references-container"> <div class="wikibase-statementview-references-heading">0 references</div> <div class="wikibase-statementview-references "></div> </div> </div> </div> <span class="wikibase-toolbar-container"></span> </div> </div><div class="wikibase-statementgroupview" id="P6366" data-property-id="P6366"> <div class="wikibase-statementgroupview-property"> <div class="wikibase-statementgroupview-property-label" dir="auto"><a title="Property:P6366" href="/wiki/Property:P6366">Microsoft Academic ID</a></div> </div> <div class="wikibase-statementlistview"> <div class="wikibase-statementlistview-listview"> <div id="Q550593$C38D4A4B-D7D5-4557-AC97-DF48E3C987A5" class="wikibase-statementview wikibase-statement-Q550593$C38D4A4B-D7D5-4557-AC97-DF48E3C987A5 wb-normal"> <div class="wikibase-statementview-rankselector"><div class="wikibase-rankselector ui-state-disabled"> <span class="ui-icon ui-icon-rankselector wikibase-rankselector-normal" title="Normal rank"></span> </div></div> <div class="wikibase-statementview-mainsnak-container"> <div class="wikibase-statementview-mainsnak" dir="auto"><div class="wikibase-snakview wikibase-snakview-a1ca33cc8e88f469d93b567a653b9ec5d88d5174"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak"><a class="wb-external-id external" href="https://web.archive.org/web/*/https://academic.microsoft.com/v2/detail/70514976" rel="nofollow">70514976</a></div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> <div class="wikibase-statementview-qualifiers"></div> </div> <span class="wikibase-toolbar-container"></span> <div class="wikibase-statementview-references-container"> <div class="wikibase-statementview-references-heading">0 references</div> <div class="wikibase-statementview-references "></div> </div> </div> </div> <span class="wikibase-toolbar-container"></span> </div> </div><div class="wikibase-statementgroupview" id="P4215" data-property-id="P4215"> <div class="wikibase-statementgroupview-property"> <div class="wikibase-statementgroupview-property-label" dir="auto"><a title="Property:P4215" href="/wiki/Property:P4215">nLab ID</a></div> </div> <div class="wikibase-statementlistview"> <div class="wikibase-statementlistview-listview"> <div id="Q550593$6988965A-94F4-4BFA-8876-4C88F1A53644" class="wikibase-statementview wikibase-statement-Q550593$6988965A-94F4-4BFA-8876-4C88F1A53644 wb-normal"> <div class="wikibase-statementview-rankselector"><div class="wikibase-rankselector ui-state-disabled"> <span class="ui-icon ui-icon-rankselector wikibase-rankselector-normal" title="Normal rank"></span> </div></div> <div class="wikibase-statementview-mainsnak-container"> <div class="wikibase-statementview-mainsnak" dir="auto"><div class="wikibase-snakview wikibase-snakview-eb1b47b69b3d5781652aa69b1a66e0ca60bd384c"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak"><a class="wb-external-id external" href="https://ncatlab.org/nlab/show/Klein%20four-group" rel="nofollow">Klein four-group</a></div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> <div class="wikibase-statementview-qualifiers"></div> </div> <span class="wikibase-toolbar-container"></span> <div class="wikibase-statementview-references-container"> <div class="wikibase-statementview-references-heading">0 references</div> <div class="wikibase-statementview-references "></div> </div> </div> </div> <span class="wikibase-toolbar-container"></span> </div> </div><div class="wikibase-statementgroupview" id="P7726" data-property-id="P7726"> <div class="wikibase-statementgroupview-property"> <div class="wikibase-statementgroupview-property-label" dir="auto"><a title="Property:P7726" href="/wiki/Property:P7726">PlanetMath ID</a></div> </div> <div class="wikibase-statementlistview"> <div class="wikibase-statementlistview-listview"> <div id="Q550593$beee9cda-4ddc-c0d5-645b-b67e7e0ab36e" class="wikibase-statementview wikibase-statement-Q550593$beee9cda-4ddc-c0d5-645b-b67e7e0ab36e wb-normal"> <div class="wikibase-statementview-rankselector"><div class="wikibase-rankselector ui-state-disabled"> <span class="ui-icon ui-icon-rankselector wikibase-rankselector-normal" title="Normal rank"></span> </div></div> <div class="wikibase-statementview-mainsnak-container"> <div class="wikibase-statementview-mainsnak" dir="auto"><div class="wikibase-snakview wikibase-snakview-260e3ea269aeb419dfa9e09c1ff57f109f5fb971"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak"><a class="wb-external-id external" href="https://planetmath.org/Klein4group" rel="nofollow">Klein4group</a></div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> <div class="wikibase-statementview-qualifiers"></div> </div> <span class="wikibase-toolbar-container"></span> <div class="wikibase-statementview-references-container"> <div class="wikibase-statementview-references-heading">0 references</div> <div class="wikibase-statementview-references "></div> </div> </div> </div> <span class="wikibase-toolbar-container"></span> </div> </div><div class="wikibase-statementgroupview" id="P6781" data-property-id="P6781"> <div class="wikibase-statementgroupview-property"> <div class="wikibase-statementgroupview-property-label" dir="auto"><a title="Property:P6781" href="/wiki/Property:P6781">ProofWiki ID</a></div> </div> <div class="wikibase-statementlistview"> <div class="wikibase-statementlistview-listview"> <div id="Q550593$a4c103a8-4a47-b9fe-5121-78e4062308c9" class="wikibase-statementview wikibase-statement-Q550593$a4c103a8-4a47-b9fe-5121-78e4062308c9 wb-normal"> <div class="wikibase-statementview-rankselector"><div class="wikibase-rankselector ui-state-disabled"> <span class="ui-icon ui-icon-rankselector wikibase-rankselector-normal" title="Normal rank"></span> </div></div> <div class="wikibase-statementview-mainsnak-container"> <div class="wikibase-statementview-mainsnak" dir="auto"><div class="wikibase-snakview wikibase-snakview-b1715576512dcdc9f75e18724eabcbace47e9830"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak"><a class="wb-external-id external" href="https://proofwiki.org/wiki/Definition%3AKlein_Four-Group" rel="nofollow">Definition:Klein_Four-Group</a></div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> <div class="wikibase-statementview-qualifiers"></div> </div> <span class="wikibase-toolbar-container"></span> <div class="wikibase-statementview-references-container"> <div class="wikibase-statementview-references-heading">0 references</div> <div class="wikibase-statementview-references "></div> </div> </div> </div> <span class="wikibase-toolbar-container"></span> </div> </div><div class="wikibase-statementgroupview" id="P8489" data-property-id="P8489"> <div class="wikibase-statementgroupview-property"> <div class="wikibase-statementgroupview-property-label" dir="auto"><a title="Property:P8489" href="/wiki/Property:P8489">SmallGroup ID</a></div> </div> <div class="wikibase-statementlistview"> <div class="wikibase-statementlistview-listview"> <div id="Q550593$653b9da1-46c9-ea9c-5351-6b5e2b790809" class="wikibase-statementview wikibase-statement-Q550593$653b9da1-46c9-ea9c-5351-6b5e2b790809 wb-normal"> <div class="wikibase-statementview-rankselector"><div class="wikibase-rankselector ui-state-disabled"> <span class="ui-icon ui-icon-rankselector wikibase-rankselector-normal" title="Normal rank"></span> </div></div> <div class="wikibase-statementview-mainsnak-container"> <div class="wikibase-statementview-mainsnak" dir="auto"><div class="wikibase-snakview wikibase-snakview-d7e3d14a393c9470ac911c92d60ad81bf52fa620"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak"><span class="wb-external-id">4,2</span></div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> <div class="wikibase-statementview-qualifiers"></div> </div> <span class="wikibase-toolbar-container"></span> <div class="wikibase-statementview-references-container"> <div class="wikibase-statementview-references-heading">0 references</div> <div class="wikibase-statementview-references "></div> </div> </div> </div> <span class="wikibase-toolbar-container"></span> </div> </div><div class="wikibase-statementgroupview" id="P9621" data-property-id="P9621"> <div class="wikibase-statementgroupview-property"> <div class="wikibase-statementgroupview-property-label" dir="auto"><a title="Property:P9621" href="/wiki/Property:P9621">Treccani's Enciclopedia della Matematica ID</a></div> </div> <div class="wikibase-statementlistview"> <div class="wikibase-statementlistview-listview"> <div id="Q550593$6e60fd79-4fd8-7cb2-2699-a50570995634" class="wikibase-statementview wikibase-statement-Q550593$6e60fd79-4fd8-7cb2-2699-a50570995634 wb-normal"> <div class="wikibase-statementview-rankselector"><div class="wikibase-rankselector ui-state-disabled"> <span class="ui-icon ui-icon-rankselector wikibase-rankselector-normal" title="Normal rank"></span> </div></div> <div class="wikibase-statementview-mainsnak-container"> <div class="wikibase-statementview-mainsnak" dir="auto"><div class="wikibase-snakview wikibase-snakview-bee0320dd0ffd2bb4f7a60480c761b7129d65360"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak"><a class="wb-external-id external" href="https://www.treccani.it/enciclopedia/gruppo-di-klein_(Enciclopedia-della-Matematica)" rel="nofollow">gruppo-di-klein</a></div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> <div class="wikibase-statementview-qualifiers"><div class="wikibase-listview"><div class="wikibase-snaklistview"> <div class="wikibase-snaklistview-listview"><div class="wikibase-snakview wikibase-snakview-c15f952095aa4bf8d47be428df740398485624a4"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"><a title="Property:P1810" href="/wiki/Property:P1810">subject named as</a></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak">Klein, gruppo di</div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> </div><div class="wikibase-snaklistview"> <div class="wikibase-snaklistview-listview"><div class="wikibase-snakview wikibase-snakview-de9973bce69e1e4c53708afb409e15dec518b326"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"><a title="Property:P577" href="/wiki/Property:P577">publication date</a></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak">2013</div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> </div></div></div> </div> <span class="wikibase-toolbar-container"></span> <div class="wikibase-statementview-references-container"> <div class="wikibase-statementview-references-heading">0 references</div> <div class="wikibase-statementview-references "></div> </div> </div> </div> <span class="wikibase-toolbar-container"></span> </div> </div></div></div></div> <div class="wikibase-entityview-side"><div class="wikibase-pageImage"> <div class="help"> <span class="wb-help-field-hint wikibase-toolbar-item wikibase-wbtooltip" title="This image is taken from the statements of this Item. You can adjust the image by changing the statement."> </span> </div> </div><h2 class="wb-section-heading section-heading wikibase-sitelinks" dir="auto" id="sitelinks">Sitelinks</h2><div class="wikibase-sitelinkgrouplistview"><div class="wikibase-listview"><div class="wikibase-sitelinkgroupview mw-collapsible" data-wb-sitelinks-group="wikipedia"> <div class="wikibase-sitelinkgroupview-heading-section"> <div class="mw-collapsible-toggle-placeholder"></div> <div class="wikibase-sitelinkgroupview-heading-container"> <h3 class="wb-sitelinks-heading" dir="auto" id="sitelinks-wikipedia">Wikipedia<span class="wikibase-sitelinkgroupview-counter">(29 entries)</span></h3> <span class="wikibase-toolbar-container"><span class="wikibase-toolbar-item wikibase-toolbar "><span class="wikibase-toolbar-item wikibase-toolbar-button wikibase-toolbar-button-edit"><a href="/wiki/Special:SetSiteLink/Q550593" title=""><span class="wb-icon"></span>edit</a></span></span></span> </div> </div> <div class="mw-collapsible-content"> <div class="wikibase-sitelinklistview"> <ul class="wikibase-sitelinklistview-listview"><li class="wikibase-sitelinkview wikibase-sitelinkview-arwiki" data-wb-siteid="arwiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-arwiki" title="Arabic">arwiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-arwiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="ar"><a href="https://ar.wikipedia.org/wiki/%D8%B2%D9%85%D8%B1%D8%A9_%D9%83%D9%84%D8%A7%D9%8A%D9%86_%D8%B1%D8%A8%D8%A7%D8%B9%D9%8A%D8%A9_%D8%A7%D9%84%D8%B9%D9%86%D8%A7%D8%B5%D8%B1" hreflang="ar" title="زمرة كلاين رباعية العناصر">زمرة كلاين رباعية العناصر</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-cawiki" data-wb-siteid="cawiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-cawiki" title="Catalan">cawiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-cawiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="ca"><a href="https://ca.wikipedia.org/wiki/Grup_de_Klein" hreflang="ca" title="Grup de Klein">Grup de Klein</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-cswiki" data-wb-siteid="cswiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-cswiki" title="Czech">cswiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-cswiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="cs"><a href="https://cs.wikipedia.org/wiki/Kleinova_%C4%8Dty%C5%99grupa" hreflang="cs" title="Kleinova čtyřgrupa">Kleinova čtyřgrupa</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-dawiki" data-wb-siteid="dawiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-dawiki" title="Danish">dawiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-dawiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="da"><a href="https://da.wikipedia.org/wiki/Kleins_firegruppe" hreflang="da" title="Kleins firegruppe">Kleins firegruppe</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-dewiki" data-wb-siteid="dewiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-dewiki" title="German">dewiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-dewiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="de"><a href="https://de.wikipedia.org/wiki/Kleinsche_Vierergruppe" hreflang="de" title="Kleinsche Vierergruppe">Kleinsche Vierergruppe</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-enwiki" data-wb-siteid="enwiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-enwiki" title="English">enwiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-enwiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="en"><a href="https://en.wikipedia.org/wiki/Klein_four-group" hreflang="en" title="Klein four-group">Klein four-group</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-eswiki" data-wb-siteid="eswiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-eswiki" title="Spanish">eswiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-eswiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="es"><a href="https://es.wikipedia.org/wiki/Grupo_de_Klein" hreflang="es" title="Grupo de Klein">Grupo de Klein</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-fawiki" data-wb-siteid="fawiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-fawiki" title="Persian">fawiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-fawiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="fa"><a href="https://fa.wikipedia.org/wiki/%DA%AF%D8%B1%D9%88%D9%87_%DA%86%D9%87%D8%A7%D8%B1%D8%AA%D8%A7%DB%8C%DB%8C_%DA%A9%D9%84%D8%A7%DB%8C%D9%86" hreflang="fa" title="گروه چهارتایی کلاین">گروه چهارتایی کلاین</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-fiwiki" data-wb-siteid="fiwiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-fiwiki" title="Finnish">fiwiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-fiwiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="fi"><a href="https://fi.wikipedia.org/wiki/Kleinin_neliryhm%C3%A4" hreflang="fi" title="Kleinin neliryhmä">Kleinin neliryhmä</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-frwiki" data-wb-siteid="frwiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-frwiki" title="French">frwiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-frwiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="fr"><a href="https://fr.wikipedia.org/wiki/Groupe_de_Klein" hreflang="fr" title="Groupe de Klein">Groupe de Klein</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-hewiki" data-wb-siteid="hewiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-hewiki" title="Hebrew">hewiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-hewiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="he"><a href="https://he.wikipedia.org/wiki/%D7%97%D7%91%D7%95%D7%A8%D7%AA_%D7%94%D7%90%D7%A8%D7%91%D7%A2%D7%94_%D7%A9%D7%9C_%D7%A7%D7%9C%D7%99%D7%99%D7%9F" hreflang="he" title="חבורת הארבעה של קליין">חבורת הארבעה של קליין</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-huwiki" data-wb-siteid="huwiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-huwiki" title="Hungarian">huwiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-huwiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="hu"><a href="https://hu.wikipedia.org/wiki/Klein-csoport" hreflang="hu" title="Klein-csoport">Klein-csoport</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-iawiki" data-wb-siteid="iawiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-iawiki" title="Interlingua">iawiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-iawiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="ia"><a href="https://ia.wikipedia.org/wiki/Gruppo_de_Klein" hreflang="ia" title="Gruppo de Klein">Gruppo de Klein</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-idwiki" data-wb-siteid="idwiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-idwiki" title="Indonesian">idwiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-idwiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="id"><a href="https://id.wikipedia.org/wiki/Klein_empat_grup" hreflang="id" title="Klein empat grup">Klein empat grup</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-itwiki" data-wb-siteid="itwiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-itwiki" title="Italian">itwiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-itwiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="it"><a href="https://it.wikipedia.org/wiki/Gruppo_di_Klein" hreflang="it" title="Gruppo di Klein">Gruppo di Klein</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-jawiki" data-wb-siteid="jawiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-jawiki" title="Japanese">jawiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-jawiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="ja"><a href="https://ja.wikipedia.org/wiki/%E3%82%AF%E3%83%A9%E3%82%A4%E3%83%B3%E3%81%AE%E5%9B%9B%E5%85%83%E7%BE%A4" hreflang="ja" title="クラインの四元群">クラインの四元群</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-kowiki" data-wb-siteid="kowiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-kowiki" title="Korean">kowiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-kowiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="ko"><a href="https://ko.wikipedia.org/wiki/%ED%81%B4%EB%9D%BC%EC%9D%B8_4%EC%9B%90%EA%B5%B0" hreflang="ko" title="클라인 4원군">클라인 4원군</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-mlwiki" data-wb-siteid="mlwiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-mlwiki" title="Malayalam">mlwiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-mlwiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="ml"><a href="https://ml.wikipedia.org/wiki/%E0%B4%95%E0%B5%8D%E0%B4%B2%E0%B5%88%E0%B5%BB_%E0%B4%97%E0%B5%8D%E0%B4%B0%E0%B5%82%E0%B4%AA%E0%B5%8D%E0%B4%AA%E0%B5%8D" hreflang="ml" title="ക്ലൈൻ ഗ്രൂപ്പ്">ക്ലൈൻ ഗ്രൂപ്പ്</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-nlwiki" data-wb-siteid="nlwiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-nlwiki" title="Dutch">nlwiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-nlwiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="nl"><a href="https://nl.wikipedia.org/wiki/Viergroep_van_Klein" hreflang="nl" title="Viergroep van Klein">Viergroep van Klein</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-plwiki" data-wb-siteid="plwiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-plwiki" title="Polish">plwiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-plwiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="pl"><a href="https://pl.wikipedia.org/wiki/Grupa_czw%C3%B3rkowa_Kleina" hreflang="pl" title="Grupa czwórkowa Kleina">Grupa czwórkowa Kleina</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-pmswiki" data-wb-siteid="pmswiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-pmswiki" title="Piedmontese">pmswiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-pmswiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="pms"><a href="https://pms.wikipedia.org/wiki/Strop_%C3%ABd_Klein" hreflang="pms" title="Strop ëd Klein">Strop ëd Klein</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-ptwiki" data-wb-siteid="ptwiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-ptwiki" title="Portuguese">ptwiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-ptwiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="pt"><a href="https://pt.wikipedia.org/wiki/Klein_4" hreflang="pt" title="Klein 4">Klein 4</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-rowiki" data-wb-siteid="rowiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-rowiki" title="Romanian">rowiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-rowiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="ro"><a href="https://ro.wikipedia.org/wiki/Grupul_lui_Klein" hreflang="ro" title="Grupul lui Klein">Grupul lui Klein</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-ruwiki" data-wb-siteid="ruwiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-ruwiki" title="Russian">ruwiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-ruwiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="ru"><a href="https://ru.wikipedia.org/wiki/%D0%A7%D0%B5%D1%82%D0%B2%D0%B5%D1%80%D0%BD%D0%B0%D1%8F_%D0%B3%D1%80%D1%83%D0%BF%D0%BF%D0%B0_%D0%9A%D0%BB%D0%B5%D0%B9%D0%BD%D0%B0" hreflang="ru" title="Четверная группа Клейна">Четверная группа Клейна</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-svwiki" data-wb-siteid="svwiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-svwiki" title="Swedish">svwiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-svwiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="sv"><a href="https://sv.wikipedia.org/wiki/Kleins_fyrgrupp" hreflang="sv" title="Kleins fyrgrupp">Kleins fyrgrupp</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-tawiki" data-wb-siteid="tawiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-tawiki" title="Tamil">tawiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-tawiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="ta"><a href="https://ta.wikipedia.org/wiki/%E0%AE%95%E0%AE%BF%E0%AE%B3%E0%AF%88%E0%AE%A9%E0%AF%8D_%E0%AE%A8%E0%AE%BE%E0%AE%A9%E0%AF%8D%E0%AE%95%E0%AF%81%E0%AE%B1%E0%AF%81%E0%AE%AA%E0%AF%8D%E0%AE%AA%E0%AF%81%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AF%81%E0%AE%B2%E0%AE%AE%E0%AF%8D" hreflang="ta" title="கிளைன் நான்குறுப்புக்குலம்">கிளைன் நான்குறுப்புக்குலம்</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-ukwiki" data-wb-siteid="ukwiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-ukwiki" title="Ukrainian">ukwiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-ukwiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="uk"><a href="https://uk.wikipedia.org/wiki/4-%D0%B3%D1%80%D1%83%D0%BF%D0%B0_%D0%9A%D0%BB%D1%8F%D0%B9%D0%BD%D0%B0" hreflang="uk" title="4-група Кляйна">4-група Кляйна</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-viwiki" data-wb-siteid="viwiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-viwiki" title="Vietnamese">viwiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-viwiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="vi"><a href="https://vi.wikipedia.org/wiki/Nh%C3%B3m_b%E1%BB%91n_Klein" hreflang="vi" title="Nhóm bốn Klein">Nhóm bốn Klein</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-zhwiki" data-wb-siteid="zhwiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-zhwiki" title="Chinese">zhwiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-zhwiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="zh"><a href="https://zh.wikipedia.org/wiki/%E5%85%8B%E8%8E%B1%E5%9B%A0%E5%9B%9B%E5%85%83%E7%BE%A4" hreflang="zh" title="克莱因四元群">克莱因四元群</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li></ul> </div> </div> </div><div class="wikibase-sitelinkgroupview" data-wb-sitelinks-group="wikibooks"> 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