恰有9个非正规子群的有限群

Finite Groups with Nine Non-normal Subgroups

利用非正规子群的共轭类类数为1,2,3的有限群的结构性质,给出了恰有9个非正规子群的有限群的完全分类.

Using the results of non-normal subgroups whose conjugate classes is 1,2 or 3,gives out the complete classification of finite groups with nine non-normal subgroups.