Proof of a conjecture related to the parabolic class numbers of some Fuchsian groups.

DOI10.1016/S0252-9602(17)30278-3zbMath1099.20025WikidataQ122935593 ScholiaQ122935593MaRDI QIDQ2386835

Refik Keskin, Nihal Yilmaz Özgür

Publication date: 25 August 2005

Published in: Acta Mathematica Scientia. Series B. (English Edition) (Search for Journal in Brave)

zbMATH Keywords

Hecke groupsnormalizersFuchsian groupsparabolic class numbers

Mathematics Subject Classification ID

Unimodular groups, congruence subgroups (group-theoretic aspects) (20H05) Structure of modular groups and generalizations; arithmetic groups (11F06) Fuchsian groups and their generalizations (group-theoretic aspects) (20H10) Fuchsian groups and automorphic functions (aspects of compact Riemann surfaces and uniformization) (30F35)

Related Items (1)

Subgroups of some Fuchsian groups defined by two linear congruences

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