Let G be a finite group with a nilpotent maximal subgroup S and let P denote the 2-Sylow subgroup of S . It is shown that if P ∩ Q is a normal subgroup of P for any 2-Sylow subgroup Q of G , then G is solvable.
Jiakuan LuLinna PangZhong Xiang-gui
Zvi AradMarcel HerzogAhiezer S. Shaki