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Homework Help: Good basic isomorphism online tutorials

  1. Nov 7, 2008 #1
    How the group of symmetries of the regular pentagram is isomorphic to the dihedral group of order 10?

    Suggest me some good basic isomorphism online tutorial.
  2. jcsd
  3. Nov 7, 2008 #2
    Re: Isomorphism

    I suggest you go to your library and have a look at the books your teacher recommended.

    If you want to get specific help I suggest you state the definitions of the mathematical terms involved and show what you have tried so far.
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