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A characteristic subgroup and kernels of Brauer characters

Published online by Cambridge University Press:  17 April 2009

I. M. Isaacs
Affiliation:
Department of Mathematics, University of Wisconsin, Madison, WI 53706, United States of America e-mail: isaacs@math.wisc.edu
Gabriel Navarro
Affiliation:
Facultat de Matemàtiques, Universitat de València, Burjassot, València 46100, Spain e-mail: gabriel@uv.es
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If G is finite group and P is a Sylow p-subgroup of G, we prove that there is a unique largest normal subgroup L of G such that LP = L ⋂ NG (P). If G is p-solvable, then L is the intersection of the kernels of the irreducible Brauer characters of G of degree not divisible by p.

Type
Research Article
Copyright
Copyright © Australian Mathematical Society 2005

References

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[4]Navarro, G., ‘A new character correspondence in groups of odd order,’ J. Algebra 268 (2003), 821.CrossRefGoogle Scholar