Eisenstein series for O(2,n+2)
Number Theory
2023-08-22 v1
Abstract
We will characterize the Eisenstein series for O(2, n + 2) as a particular Hecke eigenform. As an application we show that it belongs to the associated Maa{\ss} space. If the underlying lattice is even and unimodular, this leads to an explicit formula of the Fourier coefficients.
Keywords
Cite
@article{arxiv.2308.10709,
title = {Eisenstein series for O(2,n+2)},
author = {Aloys Krieg and Felix Schaps and Hannah Römer},
journal= {arXiv preprint arXiv:2308.10709},
year = {2023}
}