一类具有较少正规子群的有限p-群

A classs of finite p-groups with few normal subgroups

给出了N1-p-群的完全分类。所谓N1-群是指一个群G仅有1个正规子群既不包含G′又不包含在Z(G)中。

The N1-p-groups are completely classified.The so-called N1-group is a group G that has only one normal subgroup which neither contains G′nor is contained in Z(G).