IIT JAM
Anku 1 Asked a Question
September 8, 2021 9:55 ampts 30 pts
  • IIT JAM
  • Mathematics (MA)

Can we say dn is isomorphic to sn for n>=3 ? pls once tell

can we say Dn is isomorphic to Sn for n>=3 ?. . .. . . . . . . . . . . . . . . . .
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  • Navdeep goyal 1 Best Answer
    Dn is a subgroup of the symmetric group Snfor n ≥ 3. Since 2n > n! for n = 1 or n = 2, for these values, Dn is too large to be a subgroup.
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  • Navdeep goyal 1 thankyou
    Dn is isomorphic to subgroup of sn
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  • Navdeep goyal 1
    no
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    Anku 1
    sir so is there any general rule for Dn to be isomorphic to any group...if so pls once tell
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