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Results tagged with gr.group-theory
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user 21240
Questions about the branch of algebra that deals with groups.
2
votes
When does a subgroup H of a group G have a complement in G?
A lot can be said in the finitely generated abelian case, just by using the structure theorem.
Call a group transversal if every subgroup has a complement; non-transversal of it has proper, nontrivi …
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