In this paper, we present a sharp bound for the rank of a finite p-group in terms of its coexponent. As to finite p-groups with p odd, we also give a sufficient condition for which the normal rank is equal to its rank.
基金Supported by the PhD Programs Foundation of Ministry of Education of China(200803570003)Anhui Provincial Natural Science Foundation Grant(10040606Y33)+2 种基金Scientific Research Foundation for the PhDs of Anhui University(33190055)Academic Innovation Team of Anhui University(KJTD001B)Project of Anhui Province of Excellent Young Talents in University(2009SQRZ017ZD)
基金supported by the National Key Basic Research Science Foundation of China(No.2004CB318000) the National Natural Science Foundation of China(No.10301032).
文摘In this paper, we present a sharp bound for the rank of a finite p-group in terms of its coexponent. As to finite p-groups with p odd, we also give a sufficient condition for which the normal rank is equal to its rank.