有限群的Coleman自同构与投射极限
[Abstract]:Coleman automorphism begins with the study of normalizing subproblems of finite groups in unit groups of integral groups. From the point of view of group theory, the problem of whether the Coleman automorphism of finite groups is inner automorphism is studied. In this paper, the effects of finite p- subgroups and their normators on Coleman automorphism are discussed by studying the finite group Coleman automorphism and projective limit, and the concept and properties of projective limit are introduced. Furthermore, if the given group is a projective limit, then the automorphism group of the group has a complete characterization. In this paper, we also give a concrete construction of Coleman automorphism group by using the properties of projective limit of group and its automorphism group. As an application, we give some examples of concrete groups whose Coleman automorphism is inner automorphism, which is of great significance to the study of normalizing subproblems of integral group rings.
【学位授予单位】:青岛大学
【学位级别】:硕士
【学位授予年份】:2017
【分类号】:O152.1
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