Question

Help!
Find all the abelian groups of order 9 up to isomorphism. ( I need to give a mathematical proof.

Answer 1

Please.

Answer 2

Let me just say that you must have outstanding patience if this question is at least 4 days old... mustn't be in a hurry then :3

Answer 3

http://groupprops.subwiki.org/wiki/Classification_of_groups_of_prime-square_order

Answer 4

I have not being able to do it @terenzreignz

Answer 5

Thanks, I'll see what I can do with that info @Zarkon

Answer 6

Me too... I've no experience proving about the number of groups of a certain order up to isomorphism... might as well study it now :D