{
  "id": "1401.1567",
  "version": "v2",
  "published": "2014-01-08T02:59:07.000Z",
  "updated": "2014-01-16T12:19:07.000Z",
  "title": "Commutator subgroup of the Hecke group $G_5$ is not congruence",
  "authors": [
    "Cheng Lien Lang",
    "Mong Lung Lang"
  ],
  "comment": "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",
  "categories": [
    "math.GR"
  ],
  "abstract": "We prove that the power subgroup $G_5^5$ and the commutator subgroup $G_5'$ of the Hecke group $G_5$ are not congruence.",
  "revisions": [
    {
      "version": "v2",
      "updated": "2014-01-16T12:19:07.000Z"
    }
  ],
  "analyses": {
    "subjects": [
      "11F06"
    ],
    "keywords": [
      "commutator subgroup",
      "hecke group"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 0,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "adsabs": "2014arXiv1401.1567L"
    }
  }
}