EntityQ747027· pop 14· linked from 36 articlescharacteristic subgroupSign in to savesubgroup invariant under automorphisms of the parent groupConnectionscommutator subgroupEntitymathematicsEntityInternational Standard Book NumberEntitygroupEntityabstract algebraEntitygroup theoryEntityabelian groupEntitysurjective functionEntitysubgroupEntitytransitive relationEntitySpringer Science+Business MediaEntitygroup homomorphismEntitycyclic groupEntitynormal subgroupEntityKlein four-groupEntityWileyEntityautomorphismEntityquotient groupEntitydihedral groupEntitysymmetric groupEntityCategoriesSubgroup properties