EntityQ550593· pop 32· linked from 112 articlesKlein four-groupSign in to savedirect product of two cyclic groups of order two; smallest group that is non-cyclicConnectionsLie groupEntitybitwise operationEntitytopological groupEntityorthogonal groupEntityelementary abelian groupEntitymathematicsEntitysquareEntityintegerEntityrectangleEntityRubik's CubeEntityrhombusEntitygroupEntityabstract algebraEntitygroup theoryEntityrotationEntityempty setEntityFelix KleinEntitysubsetEntitygraphEntitypermutationEntityCategoriesFinite groups