Hecke 群 $G_5$ 的换位子群非 congruence
群论
2014-01-17 v2
摘要
我们证明了 Hecke 群 的幂子群 和换位子群 都不是 congruence 子群。
引用
@article{arxiv.1401.1567,
title = {Commutator subgroup of the Hecke group $G_5$ is not congruence},
author = {Cheng Lien Lang and Mong Lung Lang},
journal= {arXiv preprint arXiv:1401.1567},
year = {2014}
}
备注
Lemmas 3.5-3.7 are removed as they are not used in the proof of Prop. 5.2. arXiv admin note: text overlap with arXiv:1401.0775