EntityQ3117616· pop 5· linked from 8 articlescharacteristically simple groupSign in to savemathematical group that has no proper nontrivial characteristic subgroupsConnectionsmathematicsEntityBerlinEntityNew York CityCityInternational Standard Book NumberEntityrational numberEntitygroupEntitygroup theoryEntitysubgroupEntitySpringer Science+Business MediaEntitynormal subgroupEntityfinite groupEntitysimple groupEntitysolvable groupEntitygroup isomorphismEntitycharacteristic subgroupEntityelementary abelian groupEntitydirect product of groupsEntityinfinite groupEntityCategoriesProperties of groups