let G is finite group, and every size squared of conjugacy class divides the order of G/Z(G), then G is Nilpotent? - MathOverflow [closed]

let G is finite group, and every size squared of conjugacy class divides the order of G/Z(G), then G is Nilpotent? - MathOverflow [closed] most recent 30 from http://mathoverflow.net 2013-06-18T06:20:12Z http://mathoverflow.net/feeds/question/106209 http://www.creativecommons.org/licenses/by-nc/2.5/rdf http://mathoverflow.net/questions/106209/let-g-is-finite-group-and-every-size-squared-of-conjugacy-class-divides-the-orde let G is finite group, and every size squared of conjugacy class divides the order of G/Z(G), then G is Nilpotent? ANGELABABY 2012-09-03T01:45:58Z 2012-09-03T01:45:58Z

<p>or divides order of G/Frattini(G),</p>