2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/121935We study the growth rate of the number of maximal arithmetic subgroups of bounded covolumes in a semi-simple Lie group using an extension of the method due to Borel and Prasad.26 pages, with an appendix by J. Ellenberg and A. Venkatesh; to appear in Duke Math. JGroup TheoryNumber Theory22E40 (20G30, 20E07)Counting maximal arithmetic subgroupstext