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Computer Science 10 Online
OpenStudy (anonymous):

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

OpenStudy (e.mccormick):

Might want to ask in math, not computer science. Also, you can tag mathmale on higher level math. He is a retired professor and nice guy.

OpenStudy (anonymous):

still need help with this?

OpenStudy (anonymous):

yes @abrahamglasser

OpenStudy (anonymous):

alright, my abstract algebra is a little rusty. Doesn't "abelian groups of order 9 up to isomorphism" refer to \[Z_{9} or Z_{3} * Z_{3}\]

OpenStudy (anonymous):

if you prove the prime factors of 9 then you have proved that these are the abelian groups? i'm not sure so...

OpenStudy (anonymous):

Thanks @abrahamglasser

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