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Thread: about cyclic group

  1. April 23rd 2008, 04:29 AM #1
    szpengchao
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    about cyclic group

    how to prove:

    C_a * C_b is cyclic when a,b coprime
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  2. April 23rd 2008, 10:50 AM #2
    ThePerfectHacker
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    Quote Originally Posted by szpengchao View Post
    how to prove:

    C_a * C_b is cyclic when a,b coprime
    Prove that (x,y) generates C_a\times C_b where x generates C_a and y generates C_b.
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