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What do they mean by classify all groups of a certain order

  1. Nov 27, 2011 #1
    what does it mean.

    I'm thinking list all groups of such order

    for instance. 115 = 5* 23

    hence Z5⊕ Z23 ≈ Z115 ???
  2. jcsd
  3. Nov 27, 2011 #2
    never mind I got it. 5 doesn't divide 22, hence for all grps they are iso to Z115
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