Normalizer of Sylow p-subgroup of simple groups A_n

  1. what is the order of normalizer of Sylow p-subgroup of simple groups A_n?
     
  2. jcsd
  3. morphism

    morphism 2,020
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    So you basically want to count the Sylow p-subgroups of A_n. Isn't this a very hard problem?
     
  4. the order of sylow p-subgroup of A_n is not hard to compute, but the one of normalizer of sylow p-subgroup, how to compute?
     
  5. morphism

    morphism 2,020
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    But my point is if you compute the order of the normalizer of an arbitrary Sylow p-subgroup, then you can count the number of Sylow p-subgroups (because the number of Sylows is the index of the normalizer of any one of them in the group), which is (as far as I know) very difficult.
     
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