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Inner automorphisms form a normal subgroup of $\operatorname{Aut}(G)$

abstract-algebra group-theory normal-subgroups asked Jun 7 '14 at 16:30

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Subgroup structure of dihedral groups

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Looking for “high dark” fantasy setting

system-agnostic game-recommendation campaign-settings asked Jan 15 '15 at 15:49

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Subgroups of $(\mathbb Z_n,+)$

homework abstract-algebra group-theory finite-groups asked Jun 7 '14 at 12:54

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Inner automorphisms form a normal subgroup of $\operatorname{Aut}(G)$

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