群G的两个子群H和K称为可置换的,如果HK=KH.利用子群的可置换性,给出了两个超可解子群A和B的乘积仍为超可解群的一个判别准则.
Two subgroups H and K of a finite group G are said to be permutable if HK=KH. In this paper, by using the concept of permutable subgroups, a new criterion of supersolubility of the product G=AB of finite supersoluble groups A and B is given.