2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/160529This paper describes how to use subgroups to parameterize unipotent classes in the classical algebraic group in characteristic 2. These results can be viewed as an extension of the Bala-Carter Theorem, and give a convenient way to compare unipotent classes in a group $G$ with unipotent classes of a subgroup $X$ where $G$ is exceptional and $X$ is a Levi subgroup of classical type.14 pages. Minor changes and rewriting compared to version 1Group Theorytext