Abstract
We give an upper bound for the trace of a Hecke operator acting on the space of holomorphic cusp forms with respect to certain congruence subgroups. Such an estimate has applications to the analytic theory of elliptic curves over a finite field, going beyond the Riemann hypothesis over finite fields. As the main tool to prove our bound on traces of Hecke operators, we develop a Petersson formula for newforms for general nebentype characters.
Citation
Ian Petrow. "Bounds for traces of Hecke operators and applications to modular and elliptic curves over a finite field." Algebra Number Theory 12 (10) 2471 - 2498, 2018. https://doi.org/10.2140/ant.2018.12.2471
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