摘要
本文在有限群的半正规子群的研究基础上对可补子群进行研究．用半正规代替正则，推广了已有的一些结果．
We continue the study on the complementary subgroups on the basis of the research on Semi normal subgroups of finite group. Some results are generalized by replacing the semiregularity with semi normal condition.
关键词
可补子群
半正规子群
π-子群
有限群
semi normal subgroup, comlementary subgroup, π subgroup.
