2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/126566In this note we present three representations of a 248-dimensional Lie algebra, namely the algebra of Lie point symmetries admitted by a system of five trivial ordinary differential equations each of order forty-four, that admitted by a system of seven trivial ordinary differential equations each of order twenty-eight and that admitted by one trivial ordinary differential equation of order two hundred and forty-four.5 pagesExactly Solvable and Integrable Systemstext