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Group Question

  1. Feb 25, 2012 #1
    Lets say I have a group of index 2 and I have some subgroup K. Is it that G\K is a subgroup as well?
  2. jcsd
  3. Feb 25, 2012 #2


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    That's not the sloppiest question I've ever seen posted but it's right up there. Can you rephrase that?
    Last edited: Feb 25, 2012
  4. Feb 26, 2012 #3


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    elements of G/K are cosets gK, these are not elements of G unless K = {e}.
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