Can anyone give me an example of:
- An infinite abelian but non-cyclic group whose automorphism group is cyclic.
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Removed the deprecated (abstract-algebra) tag - see the tag info: https://mathoverflow.net/tags/abstract-algebra/info (if there are some other suitable tags, choose them instead.)
Martin Sleziak
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Example of an infinite abelian but non-cyclic group whose automorphism group is cyclic
C.S.
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