2010Journal of MathematicsRequires access

STRUCTURE OF FINITE ABELIAN GROUP WITH AUTOMORPHISM GROUP OF ORDER 2~tp~2q(t=1,2,3)

Huang Ben-wen

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Abstract

This article discusses the structure of finite abelian group G with automorphism group A(G) of order 2tp2q(t=1,2,3)(p,q are different prime).According to order of automorphism group of finite abelian group and character of finite abelian group,we obtain the following results:G has 6 types when t=1;G has 32 types when t=2;G has 82 types when t=3.

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This article discusses the structure of finite abelian group G with automorphism group A(G) of order 2tp2q(t=1,2,3)(p,q are different prime).According to order of automorphism group of finite abelian group and character of finite abelian group,we obtain the following results:G has 6 types when t=1;G has 32 types when t=2;G has 82 types when t=3.

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Available abstract

This article discusses the structure of finite abelian group G with automorphism group A(G) of order 2tp2q(t=1,2,3)(p,q are different prime).According to order of automorphism group of finite abelian group and character of finite abelian group,we obtain the following results:G has 6 types when t=1;G has 32 types when t=2;G has 82 types when t=3.

Key concepts: Mathematics, p-group, Abelian group, Finite group, Cyclic group, Order (exchange), Automorphism, Outer automorphism group

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