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Thread: iso2

  1. August 3rd 2008, 05:24 AM #1
    mathemanyak
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    iso2

    Show that 4Z/12Z isomorp to Z_3
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  2. August 3rd 2008, 07:51 AM #2
    JaneBennet
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    f:4\mathbb{Z}/12\mathbb{Z}\to\mathbb{Z}_3, f\left(4n+12\mathbb{Z}\right)=[n]_3 is an isomorphism.
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  3. August 3rd 2008, 11:10 AM #3
    ThePerfectHacker
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    Quote Originally Posted by mathemanyak View Post
    Show that 4Z/12Z isomorp to Z_3
    Let x\mapsto [x]_3 now use fundamental homomorphism theorem.
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