Tessellate S.T.E.M.S - Mathematics - College - Set 2 - Problem 4

Algebra Level 4

Let G G and H H be non-isomorphic abelian groups, i : G H i : G \rightarrow H be an injective group homomorphism and j : H G j : H \rightarrow G be an injective group homomorphism.

( a ) (a) G G and H H can both be finite.

( b ) (b) G G and H H can both be finitely generated.

( c ) (c) G G and H H can both be countably generated.

( d ) (d) None of the above

Hint \textbf{Hint} - You may require Stucture theorem for finitely generated abelian groups.


This problem is a part of Tessellate S.T.E.M.S.

b d c a

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