Abstract
Let k be an even positive integer and f a holomorphic Hecke eigenform of weight k with respect to the full modular group SL(2, ℕ). Let c n be the nth coefficient of the symmetric square L-function associated to f. We study the uniform bound for the sum C(x) = Σ n≦x c n with respect to the weight k and establish that
. Other similar results are also established.
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This work is supported by the National Natural Science Foundation of China (Grant No. 10701048).
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Lü, G.S. Uniform estimates for sums of Fourier coefficients of cusp forms. Acta Math Hung 124, 83–97 (2009). https://doi.org/10.1007/s10474-009-8153-7
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DOI: https://doi.org/10.1007/s10474-009-8153-7