If is a cyclic normal subgroup of I need to prove that any subgroup of is also a normal subgroup of .

This seems trivial but I'm not sure that it is.

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- Mar 9th 2009, 01:12 AMd_p_ostersCyclic subgroups
If is a cyclic normal subgroup of I need to prove that any subgroup of is also a normal subgroup of .

This seems trivial but I'm not sure that it is. - Mar 9th 2009, 03:57 AMOpalg