On modular forms for some noncongruence subgroups of SL_2(Z) II
Number Theory
2014-02-26 v1
Abstract
In this paper we show two classes of noncongruence subgroups satisfy the so-called unbounded denominator property. In particular, we establish our conjecture in [KL08] which says that every type II noncongruence character group of Gamma^0(11) satisfies the unbounded denominator property.
Keywords
Cite
@article{arxiv.0809.0020,
title = {On modular forms for some noncongruence subgroups of SL_2(Z) II},
author = {Ling Long and Chris Kurth},
journal= {arXiv preprint arXiv:0809.0020},
year = {2014}
}