2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/154104We present the classification of coadjoint orbits of the unitriangular group $UT(7, K)$. We also describe subregular orbits of $UT(n, K)$ for an arbitrary $n$.27 pagesRepresentation TheoryCoadjoint orbits of the group $UT(7,K)$text