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Math Help - Matrix groups and conjugate

  1. #1
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    Matrix groups and conjugate

    Please see attached file.
    I understand that for part a K is a normal subgroup of L through strategies eventually equating with a lower traingular matrix such like L. But when i try to manipulate H i end up with a really weird final result?! such as fractions and a lengthy multiplication in the bottom left corner. Any help would be appreciated.

    And any pointers on b) would be an extra bonus!

    Many thanks, Hanna.
    Attached Thumbnails Attached Thumbnails Matrix groups and conjugate-matrix.jpg  
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  2. #2
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    Re: Matrix groups and conjugate

    Hi Hanna,

    I leave to you the determination of conjugates, but here's an answer to the first part:

    Matrix groups and conjugate-mhfgroups1.png

    If you have problems with the conjugates, reply to this posting.
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