Anku posted an Question
June 02, 2021 • 01:05 am 30 points
  • IIT JAM
  • Mathematics (MA)

How to solve ..pls also tell property used

how to solve ..pls also tell property used. . . .. . . . . . . . . . . ..

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    Sonu saini best-answer

    S3 has only three normal subgroups ,A3 , I and S3.

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    yes mam but how to find them..suppose I will need to find normal subgroup of say sn then how to find..using which theorem...pls once show

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    S3/A3 = 2 ....and every subgroup of index two is a normal subgroup.

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    there is a general result for all Sn

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    see this attachment

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    still you have any doubt you can ask

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    got it now mam ..thanks a lot mam

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