Since the question has been answered in the comments I just repeat it here as a CW answer. Take any infinite non-abelian group with the indiscrete (which I assume is what Anton means by concrete) topology and take the closure of the identity.
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1 | [made Community Wiki] | ||
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Since the question has been answered in the comments I just repeat it here as a CW answer. Take any non-abelian group with the indiscrete (which I assume is what Anton means by concrete) topology and take the closure of the identity. |
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