设H是群G的一个子群。如果存在G的一个子群T,使得G=HT且H∩T是G的一个CAP-子群,则称H是G的一个CAS-子群。利用CAS-子群研究有限群的p-幂零性,推广了前人的一些结果。
Let H be a subgroup of a group G.H is said to be a CAS-subgroup of G if there exists a subgroup T of G such that G=HT and H∩T is a CAP-subgroup of G.We investigate the influence of CAS-subgroup on the p-nilpotency of finite groups.Some recent results are generalized.