Normal congruence subgroups of the Hecke groups \(G(2^{(1/2)})\) and \(G(3^{(1/2)})\)

DOI10.2140/pjm.1977.70.481zbMath0375.10014OpenAlexW2116104175MaRDI QIDQ1245991

L. Alayne Parson

Publication date: 1977

Published in: Pacific Journal of Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.2140/pjm.1977.70.481

Mathematics Subject Classification ID

Unimodular groups, congruence subgroups (group-theoretic aspects) (20H05) Modular and automorphic functions (11F03)

Related Items (9)

Classification of normal congruence subgroups of G(\(\sqrt{q})\). I ⋮ Infinitely many lattice surfaces with special pseudo-Anosov maps ⋮ Linear groups ⋮ Normal Congruence Subgroups of Hecke Groups ⋮ Principal congruence subgroups of Hecke groups \(H(\sqrt{q})\) ⋮ Infinite paths of minimal length on suborbital graphs for some Fuchsian groups ⋮ CONVEX STANDARD FUNDAMENTAL DOMAIN FOR SUBGROUPS OF HECKE GROUPS ⋮ Congruence subgroups of Hecke groups ⋮ Principal congruence subgroups of the Hecke groups and related results

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