2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/71946Let K be a number field and E/K a modular elliptic curve, with modular parametrization $X_0(N) \to E$ defined over K. The purpose of this note is to study the images in E of classes of isogenous points in X_0(N).LaTeX, 2 pages, to appear in Math. Res. LettNumber Theory11G05text