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Another cyclic group question

  1. Sep 5, 2007 #1
    1. The problem statement, all variables and given/known data

    List the elements of the subgroups <3> abd <15> in Z(18)

    2. Relevant equations

    3. The attempt at a solution

    <3>={0,3,6,9,12,15} .
    <15> ={0,15}

    Together , I can conclude that the number of elements amongst <3> and <15> add up to 7 elements.
  2. jcsd
  3. Sep 6, 2007 #2


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    It's all correct, although I'm not sure that:
    Is all that interesting.
  4. Sep 6, 2007 #3


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    <15> has more elements than that.
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