A subgroup H of a finite group G is called a p-complement for a prime p, if the order of H is not divided by p and the index vertical bar G : H vertical bar is a power of p. We give examples of a finite group that possesses two nonisomorphic p-complements and of a finite group in which all p-complements are isomorphic but not conjugate in the automorphism group.
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Univ Sci & Technol China, Sch Math Sci, Hefei 230026, Peoples R China
Univ Datong Shanxi, Sch Math & Comp Sci, Datong, Peoples R ChinaUniv Sci & Technol China, Sch Math Sci, Hefei 230026, Peoples R China
Mao, Yuemei
Guo, Wenbin
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Univ Sci & Technol China, Sch Math Sci, Hefei 230026, Peoples R ChinaUniv Sci & Technol China, Sch Math Sci, Hefei 230026, Peoples R China
Guo, Wenbin
Li, Baojun
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Chengdu Univ Informat Technol, Coll Appl Math, Chengdu, Peoples R ChinaUniv Sci & Technol China, Sch Math Sci, Hefei 230026, Peoples R China