Rational Brauer characters |
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Authors: | Gabriel Navarro Pham Huu Tiep |
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Institution: | (1) Facultat de Matemàtiques, Universitat de València, Burjassot, València, 46100, Spain;(2) Department of Mathematics, University of Florida, Gainesville, FL 32611, USA |
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Abstract: | It is known that every finite group of even order has a non-trivial complex irreducible character which is rational valued.
We prove the modular version of this result: If p is an odd prime and G is any finite group of even order, then G has a non-trivial irreducible p-Brauer character which is rational valued.
The first author is partially supported by the Ministerio de Educación y Ciencia proyecto MTM2004-06067-C02-01, while the
second gratefully acknowledges the support of the NSA (grant H98230-04-0066). |
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Keywords: | Rational Brauer characters |
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