acb_siegel_cocycle, acb_siegel_transform_cocycle_inv, acb_siegel_transform
Synopsis
#include <flint/acb_theta.h>void acb_siegel_cocycle(acb_mat_t c, const fmpz_mat_t mat, const acb_mat_t tau, slong prec)sourcevoid acb_siegel_transform_cocycle_inv(acb_mat_t w, acb_mat_t c, acb_mat_t cinv, const fmpz_mat_t mat, const acb_mat_t tau, slong prec)sourcevoid acb_siegel_transform(acb_mat_t w, const fmpz_mat_t mat, const acb_mat_t tau, slong prec)sourceacb_siegel_cocycle sets c to the cocycle \gamma\tau + \delta; acb_siegel_transform sets w to \mathit{mat} \cdot \tau = (\alpha\tau + \beta)(\gamma\tau + \delta)^{-1}; acb_siegel_transform_cocycle_inv computes both and also (\gamma\tau + \delta)^{-1}.
Cite this page
The FLINT team, “acb_siegel_cocycle, acb_siegel_transform_cocycle_inv, acb_siegel_transform (acb_theta.h),” FLINT: Fast Library for Number Theory, documentation, version 3.7.0-dev, 2026. https://flintlib.org/doc/acb_theta/acb_siegel_cocycle.html (generated 2026-10-20).
@misc{flint-doc-acb-theta-acb-siegel-cocycle,
author = {{The FLINT team}},
title = {{acb\_siegel\_cocycle, acb\_siegel\_transform\_cocycle\_inv, acb\_siegel\_transform (acb\_theta.h)}},
howpublished = {FLINT: Fast Library for Number Theory, documentation, version 3.7.0-dev},
year = {2026},
url = {https://flintlib.org/doc/acb_theta/acb_siegel_cocycle.html},
note = {Generated 2026-10-20}
}