Finite p-groups;
normal subgroups;
subgroup complement;
D O I:
10.1007/s10114-016-6066-2
中图分类号:
O29 [应用数学];
学科分类号:
070104 ;
摘要:
Assume G is a finite group and H a subgroup of G. If there exists a subgroup K of G such that G = HK and H boolean AND K = 1, then K is said to be a complement to H in G. A finite p-group G is called an NC-group if all its proper normal subgroups not contained in phi(G) have complements. In this paper, some properties of NC-groups are investigated and some classes of NC-groups are classified.
机构:
Changshu Inst Technol, Sch Math & Stat, Changshu, Jiangsu, Peoples R ChinaChangshu Inst Technol, Sch Math & Stat, Changshu, Jiangsu, Peoples R China