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Math Help - Ideal in a matrix ring

  1. #1
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    Smile Ideal in a matrix ring

    Hi
    consider the ring of 3x3 matrices with entries in Z36.

    How many different matrices are there in the two sided ideal generated by the matrix diag(0,30,6)?
    Thanks
    Hedi
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  2. #2
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    Re: Ideal in a matrix ring

    please post in the advanced algebra forum, thanks.
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