Normal subgroups of Hecke groups \(H(\lambda)\).

DOI10.1007/s10468-008-9116-3zbMath1229.20048OpenAlexW2033239366MaRDI QIDQ964834

Özden Koruoğlu, Recep Sahin, Ismail Naci Cangul, Sebahattin Ikikardes

Publication date: 21 April 2010

Published in: Algebras and Representation Theory (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s10468-008-9116-3

zbMATH Keywords

Hecke groupssubgroups of finite indexpower subgroupseven subgroupfree normal subgroups

Mathematics Subject Classification ID

Subgroup theorems; subgroup growth (20E07) 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)

Related Items (1)

Gröbner-Shirshov bases for extended modular, extended Hecke, and Picard groups.

Cites Work

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• Normalisers of subgroups of the modular group
• Principal congruence subgroups of Hecke groups \(H(\sqrt{q})\)
• Free subgroups and normal subgroups of the modular group
• Theory of Maps on Orientable Surfaces
• Normal subgroups of Hecke groups and regular maps
• Lectures on Modular Forms. (AM-48)
• Classification of Normal Subgroups of the Modular Group
• Über die Bestimmung Dirichletscher Reihen durch ihre Funktionalgleichung
• Power subgroups of Hecke groups \(H(\sqrt n)\)

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