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Algebra 2. The symmetric groups Sn . Roma, December 15, 2009 In this note we determine the automorphism groups of the symmetric groups Sn . For n = 2 this is very easy: we have S2 ∼ = Z2 and hence Aut(S2 ) is trivial.
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Document Date: 2009-12-15 07:28:01
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Algebra 2. The symmetric groups Sn . Roma, December 15, 2009 In this note we determine the automorphism groups of the symmetric groups Sn . For n = 2 this is very easy: we have S2 ∼ = Z2 and hence Aut(S2 ) is trivial.