November 6th, 2008, 06:34 PM  #1 
Newbie Joined: Sep 2008 Posts: 3 Thanks: 0  isomorphism problem
Please help me on this problem Up to isomorphism, how many additive abelian groups G of order 16 have the property that x+x+x+x=0 for each x in G? (A) 0 (B) 1 (C) 2 (D) 3 (E) 5 
November 8th, 2008, 06:48 PM  #2 
Senior Member Joined: Jul 2008 Posts: 144 Thanks: 0  Re: isomorphism problem
E


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