Descending congruences of theta lifts on GSp(4)

Tsaltas, K; Jarvis, F

Jarvis, F (reprint author), Univ Sheffield, Sch Math & Stat, Sheffield S3 7RH, S Yorkshire, England.

JOURNAL OF NUMBER THEORY, 2019; 199 (): 251

Abstract

We study the question of when a congruence between two theta lifts on GSp(4/Q) descends to a congruence on modular forms on OL2 over a quadratic field......

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