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A simple question in Group TheoryGiven a normal subgroup N⊆G, when does G contain a subgroup isomorphic to G/N?

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A simple question in Group Theory

Hi people!

This my first question, here. I don't sure if it has a trivial answer, or not.

Let G a group, N normal subgroup in G. In which cases there is a subgroup in G isomorphic to G/N?

TIA