ASKSAGE: Sage Q&A Forum - RSS feedhttps://ask.sagemath.org/questions/Q&A Forum for SageenCopyright Sage, 2010. Some rights reserved under creative commons license.Fri, 26 Oct 2018 03:34:33 +0200Define a modular form from its $q$-expansion coefficientshttps://ask.sagemath.org/question/44072/define-a-modular-form-from-its-q-expansion-coefficients/I have a certain modular form for $\Gamma(N)$ and weight $0$ which I know but just by it's $q$-expansion coefficients, and I want to compute the action of Hecke operators on this modular form. How do I define a modular form object from its q-expansion coefficients, so that I can use it as an input for M.hecke_operator?voaFri, 26 Oct 2018 03:34:33 +0200https://ask.sagemath.org/question/44072/