gr_eisenstein_e, gr_eisenstein_g, gr_eisenstein_g_vec
Synopsis
#include <flint/gr_special.h>Set res to the Eisenstein series G_k(\tau) = \sum_{(m,n) \ne (0,0)} (m + n\tau)^{-k} or its normalisation E_k(\tau) = G_k(\tau) / (2 \zeta(k)), for even k \ge 2 (GR_DOMAIN for odd k or k = 0); gr_eisenstein_g_vec writes G_4, G_6, \ldots, G_{2\mathit{len}+2}.
Cite this page
The FLINT team, “gr_eisenstein_e, gr_eisenstein_g, gr_eisenstein_g_vec (gr_special.h),” FLINT: Fast Library for Number Theory, documentation, version 3.7.0-dev, 2026. https://flintlib.org/doc/gr_special/gr_eisenstein_e.html (generated 2026-10-20).
@misc{flint-doc-gr-special-gr-eisenstein-e,
author = {{The FLINT team}},
title = {{gr\_eisenstein\_e, gr\_eisenstein\_g, gr\_eisenstein\_g\_vec (gr\_special.h)}},
howpublished = {FLINT: Fast Library for Number Theory, documentation, version 3.7.0-dev},
year = {2026},
url = {https://flintlib.org/doc/gr_special/gr_eisenstein_e.html},
note = {Generated 2026-10-20}
}