设G为有限群,p∈π(G),P∈Sylp(G).如果NG(P)的每个极大子群都在G中弱c-正规,那么G可解.
Let G be a finite group, p∈π(G),P∈Sylp(G). If M is weakly c-normal in G for any maximal subgroup M of Na(P), then G is soluble.