Bounds on the number and sizes of conjugacy classes in finite Chevalley groups with applications to derangements

Jason Fulman, Robert M. Guralnick

Type: Article

Publication Date: 2012-02-07

Citations: 151

DOI: https://doi.org/10.1090/s0002-9947-2012-05427-4

Abstract

We present explicit upper bounds for the number and size of conjugacy classes in finite Chevalley groups and their variations. These results have been used by many authors to study zeta functions associated to representations of finite simple groups, random walks on Chevalley groups, the final solution to the Ore conjecture about commutators in finite simple groups and other similar problems. In this paper, we solve a strong version of the Boston-Shalev conjecture on derangements in simple groups for most of the families of primitive permutation group representations of finite simple groups (the remaining cases are settled in two other papers of the authors and applications are given in a third).

Locations

arXiv (Cornell University) - View - PDF
Transactions of the American Mathematical Society - View - PDF

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