Estimates for the Fourier coefficients of the Duke-Imamoglu-Ikeda lift

Tamotsu Ikeda, Hidenori Katsurada

Let $k$ and $n$ be positive even integers. For a Hecke eigenform $h$ in the Kohnen plus subspace of weight $k-n/2+1/2$ for ${\Gamma }_0(4)$, let $I_n(h)$ be the Duke-Imamoglu-Ikeda…