We determine the structure over *\mathbb{Z}* of the ring of symmetric Hermitian modular forms with respect to *\mathbb{Q}(\sqrt{-1})* of degree *2* (with a character), whose Fourier coefficients are integers. Namely, we give a set of generators consisting of *24* modular forms. As an application of our structure theorem, we give... Show more

March 28, 2019

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A ring of symmetric Hermitian modular forms of degree $2$ with integral Fourier coefficients

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