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Homework Help: Help with abstract algebra

  1. Oct 16, 2005 #1
    Help with abstract algebra!!

    Here is my quetion.
    What is the order of the set of all 2x2 matricies (such that its entries a,b,c,d are between 0 and p-1), and whose determinant is
    congruent to 1 modulo p ?
    => Order of SL(2,Fp)
    thanks :)
     
    Last edited: Oct 16, 2005
  2. jcsd
  3. Oct 17, 2005 #2

    Tom Mattson

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    According to the section entitled "Homework Help" in the Physics Forums Global Guidelines which you agreed to:

    So whatcha got?
     
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