Abstract
Duke and the second author defined a family of linear maps from spaces of weakly holomorphic modular forms of negative integral weight and level 1 into spaces of weakly holomorphic modular forms of half-integral weight and level 4 and showed that these lifts preserve the integrality of Fourier coefficients. We show that the generalization of these lifts to modular forms of genus 0 odd prime level also preserves the integrality of Fourier coefficients.
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This work was partially supported by a grant from the Simons Foundation (#281876 to Paul Jenkins).
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Green, N., Jenkins, P. Integral traces of weak Maass forms of genus zero odd prime level. Ramanujan J 42, 453–478 (2017). https://doi.org/10.1007/s11139-015-9769-6
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DOI: https://doi.org/10.1007/s11139-015-9769-6