Normalizers of intermediate congruence subgroups of the Hecke subgroups
Bo-Hae Im ; Daeyeol Jeon ; Chang Heon Kim
Open Mathematics, Tome 15 (2017), p. 787-799 / Harvested from The Polish Digital Mathematics Library
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For a square-free positive integer N, we study the normalizer of ΓΔ(N) in PSL2(ℝ) and investigate the group structure of its quotient by ΓΔ(N) under certain conditions.

Publié le : 2017-01-01
EUDML-ID : urn:eudml:doc:288406 
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     author = {Bo-Hae Im and Daeyeol Jeon and Chang Heon Kim},
     title = {Normalizers of intermediate congruence subgroups of the Hecke subgroups},
     journal = {Open Mathematics},
     volume = {15},
     year = {2017},
     pages = {787-799},
     language = {en},
     url = {http://dml.mathdoc.fr/item/bwmeta1.element.doi-10_1515_math-2017-0066}
}

Bo-Hae Im; Daeyeol Jeon; Chang Heon Kim. Normalizers of intermediate congruence subgroups of the Hecke subgroups. Open Mathematics, Tome 15 (2017) pp. 787-799. http://gdmltest.u-ga.fr/item/bwmeta1.element.doi-10_1515_math-2017-0066/