Finite Abelian group of |A(G)|=27 pq

we have discussed structures of Abelian groupG by order |A(G)| of automoorphism group and have obtained all types of finite Abelian grooupG when the order ofA(G) equals 2⁷ pq(p, q are odd primmes). Huang Benwen: born in Oct. 1948. Associate professor. Current research interest is in structures of finite group