English

Real and strongly real classes in finite linear groups

Group Theory 2009-11-03 v2

Abstract

We classify the real and strongly real conjugacy classes in GLn(q)GL_n(q), SLn(q)SL_n(q), PGLn(q)PGL_n(q), PSLn(q)PSL_n(q), and all quasi-simple covers of PSLn(q)PSL_n(q). In each case we give a formula for the number of real, and the number of strongly real, conjugacy classes.

Keywords

Cite

@article{arxiv.0809.4412,
  title  = {Real and strongly real classes in finite linear groups},
  author = {Nick Gill and Anupam Singh},
  journal= {arXiv preprint arXiv:0809.4412},
  year   = {2009}
}

Comments

46 pages. Minor errors have been corrected in this version. This version also contains a treatment of exceptional covers of $PSL_n(q)$; this treatment had been erroneously omitted in version 1

R2 v1 2026-06-21T11:24:10.357Z