【摘要】 把集值映射的方法应用到群结构，得到了幂群的概念，讨论了幂群及其性质，并对拟商群等进行了讨论，得出了一些有意义的结果．更多还原

【Abstract】 The approach of setvaluemap was applied to group,and the concept of power group was introduced.The properties of the power group were obtained,and Quasifactor group was discussed.The results of this paper are meaningful.更多还原