Involutions and characters of upper triangular matrix groups |
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Authors: | I M Isaacs Dikran B Karagueuzian |
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Institution: | Mathematics Department, University of Wisconsin at Madison, Madison, Wisconsin 53706 ; Mathematics Department, Binghamton University, Binghamton, New York, 13902-6000 |
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Abstract: | We study the realizability over of representations of the group of upper-triangular matrices over . We prove that all the representations of are realizable over if , but that if , has representations not realizable over . This theorem is a variation on a result that can be obtained by combining work of J. Arregi and A. Vera-López and of the authors, but the proof of the theorem in this paper is much more natural. |
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Keywords: | Character theory finite groups p-groups |
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