AbstractLet G be an arbitrary group with finite commutator subgroup G′. We prove that if the Frattini subgroup Φ(G) is trivial then |G:Z(G)|⩽|G′|2, and this estimate is sharp. A special case of this result was conjectured by M. Herzog, G. Kaplan and A. Lev
Is data on this page outdated, violates copyrights or anything else? Report the problem now and we will take corresponding actions after reviewing your request.