2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/157389We use results on the local theta correspondence to prove that for large degrees the Duke-Imamoglu-Ikeda lifting of an elliptic modular form is not a linear combination of theta series.6 pagesNumber Theory11F27Local theta correspondence and the lifting of Duke, Imamoglu and Ikedatext