We prove that weights of two Siegel modular forms of nonquadratic nebentypus should satisfy some congruence relations if these modular forms are congruent to each other. Applying this result, we prove that there are no mod *p* singular forms of nonquadratic nebentypus. Here we consider the case where the Fourier... Show more

February 5, 2024

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Congruences for Siegel modular forms of nonquadratic nebentypus mod $p$

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