Mathematics > Number Theory
[Submitted on 17 May 2018]
Title:Modular forms invariant under non-split Cartan subgroups
View PDFAbstract:In this paper we describe a method for computing a basis for the space of weight $2$ cusp forms invariant under a non-split Cartan subgroup of prime level $p$. As an application we compute, for certain small values of $p$, explicit equations over $\bf Q$ for the canonical embeddings of the associated modular curves.
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