%0 Journal Article %A Moni Kumari %A Sujeet Kumar Singh %T On the parity of the Fourier coefficients of the Hauptmoduln $j_{N}(z)$ and $j_{N}^{+}(z)$ %J Acta Arithmetica %D 2019 %P 171-182 %V 188 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa171027-15-5/ %R 10.4064/aa171027-15-5 %G en %F 10_4064_aa171027_15_5