中文核心期刊
CSCD来源期刊
中国科技核心期刊
RCCSE中国核心学术期刊

重庆交通大学学报(自然科学版) ›› 2008, Vol. 27 ›› Issue (3): 493-495.

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Zp×Zp的全形及p2q阶群的同构类数

段成均1, 夏兴无2   

  1. 1. 重庆交通大学 理学院, 重庆 400074;
    2. 洛阳师范大学数学系, 河南 洛阳 471022
  • 收稿日期:2007-03-14 修回日期:2007-07-24 出版日期:2008-06-20 发布日期:2016-11-14
  • 作者简介:段成均(1971-),女,四川武胜人,学士,研究方向:代数、群论。E-mail:bchen@cuit.edu.cn。

The Holomorph of Zp×Zp and the Number of Isomorphic Groups of Order p2q

DUAN Cheng-jun1, XIA Xing-wu2   

  1. 1. School of Science, Chongqing Jiaotong Universty, Chongqing 400074, China;
    2. Department of Mathematics, Luoyang Normal university, HenanLuoyang 471022, China
  • Received:2007-03-14 Revised:2007-07-24 Online:2008-06-20 Published:2016-11-14

摘要: 阶素因子个数较小且每个素因子的次数较低的有限群在群的研究中有重要的作用,很多与群结构相关的结论都是利用这种群描述的(比如可解群)。利用线性群的方法以及群的线性表示的思想,给出Zp×Zp的两个相对全形同构的一个性质充分条件,并利用这一充分条件,给出p2q阶群的同构类数的另一证明。

关键词: 有限群, 同构, 群作用, 全形

Abstract: The groups,in which the number of prime divisors in the order is small and the degrees of each prime divisor in the order are small too,have important significance in the research of groups.Many results of structure of groups,such as the structure of solvable groups,are narrated by using these groups.Using the method of linear group and the ideals of linear representation of group,a sufficient condition that two relative holomorphs of Zp×Zp are isomorphic is given.By using it,another proof of the number of groups of order p2q is given,which is non-isomorphic groups pair-wisely.

Key words: finite group, isomorphism, action, holomorph

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