John

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visits member for 1 year, 4 months
seen Jan 26 '12 at 13:36
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Jan
25
comment Normal subgroups
Thanks, @user1729, I have forgotten about that!
Jan
25
comment Normal subgroups
Thanks! have forgotten about the cardinality rule.
Jan
25
comment Normal subgroups
Thank you. I am really just looking for the common tricks just as Using Sylow's to arrive at a contradiction in the number of elements, etc. Could you possibly help me out? Thanks again.
Jan
25
asked Normal subgroups