Normalizers of the congruence subgroups of the Hecke groups \(G_4\) and \(G_6\)

DOI10.1006/jnth.2000.2569zbMath0983.11020OpenAlexW1981357318MaRDI QIDQ5949909

Mong-Lung Lang

Publication date: 5 December 2001

Published in: Journal of Number Theory (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1006/jnth.2000.2569

zbMATH Keywords

arithmetic Hecke groupsnormalizers of congruence subgroups

Mathematics Subject Classification ID

Structure of modular groups and generalizations; arithmetic groups (11F06) Fuchsian groups and their generalizations (group-theoretic aspects) (20H10)

Related Items

The Group Structure of the Normalizer of Γ₀(N) After Atkin–Lehner ⋮ Some properties of the generalized Fibonacci and Lucas sequences related to the extended Hecke groups. ⋮ A Note on Some Fuchsian Groups ⋮ The automorphism group of the modular curve $X_0^*(N)$ with square-free level ⋮ The structure of the normalisers of the congruence subgroups of the Hecke groupG₅ ⋮ Normalisers of subgroups of the modular group ⋮ Normalizers of congruence groups in SL₂(ℝ) and automorphisms of lattices

Cites Work

• Hecke operators on \(\Gamma_0(m)\)
• The normalizer of Γ₀(N) in PSL(2, ℝ)
• Monstrous Moonshine
• Unnamed Item