Odd coefficients of weakly holomorphic modular forms (Q935881)

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scientific article; zbMATH DE number 5310641
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Odd coefficients of weakly holomorphic modular forms
scientific article; zbMATH DE number 5310641

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    Odd coefficients of weakly holomorphic modular forms (English)
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    12 August 2008
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    The authors study modular forms of half integral weight and in particular their coefficients \(a(n)\) modulo a prime \(\ell\). For a given \(X\), upper and lower bounds are proven for the number of coefficients \(a(n)\not\equiv 0\mod \ell\) with \(n\leq X\).
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