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Matrix representation of a group

  1. Jan 17, 2010 #1
    I am unable to grasp how to generalise the concept of matrix representation for a group say like D3 or D4.I know how to manipulate the 2x2 matrix,but how do I obtain a group in say a 3x3 matrix to show rotation and reflection?
  2. jcsd
  3. Aug 3, 2010 #2
    This paper has a very accessible treatment of groups and their representations as matrices. The author uses the group S3 as an example.
    http://arxiv.org/abs/0810.3328" [Broken]
    Last edited by a moderator: May 4, 2017
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