A Note on the Fourier coefficients of half-integral weight modular forms

Autor: Kumar, Narasimha, Purkait, Soma
Rok vydání: 2013
Předmět:
Zdroj: Arch. Math. (Basel) 102 (2014), no. 4, 369-378
Druh dokumentu: Working Paper
DOI: 10.1007/s00013-014-0622-8
Popis: In this note, we show that the algebraicity of the Fourier coefficients of half-integral weight modular forms can be determined by checking the algebraicity of the first few of them. We also give a necessary and sufficient condition for a half-integral weight modular form to be in Kohnen's +-subspace by considering only finitely many terms.
Comment: To appear in Archiv der Mathematik
Databáze: arXiv