Let N be a normal subgroup of G. Show that G/N is abelian if and only if
a−1b−1ab ∈ N for all a, b ∈ G.
Mathbot Says...
I wasn't able to parse your question, but the HE.NET team is hard at work making me smarter.
Let N be a normal subgroup of G. Show that G/N is abelian if and only if
a−1b−1ab ∈ N for all a, b ∈ G.
I wasn't able to parse your question, but the HE.NET team is hard at work making me smarter.