来源:Bulletin of the London Mathematical Society, 2010, 42: 417-419.
DOI:10.1112/blms/bdq002
摘要
Let G be a finite soluble group and Q be a nilpotent normal subgroup of G. Here we prove that if no G-chief factor of G/Q is G-isomorphic to a G-chief factor of Q, then certain supplements to Q in G are G-conjugate.