Classification of normal congruence subgroups of G(\(\sqrt{q})\). I

DOI10.3792/pjaa.64.167zbMath0652.20051OpenAlexW2065639510MaRDI QIDQ1106950

Toshikazu Takagi

Publication date: 1988

Published in: Proceedings of the Japan Academy. Series A (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.3792/pjaa.64.167

zbMATH Keywords

modular grouplevelnormal congruence 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)

Classification of normal congruence subgroups of G(\(\sqrt{q})\). II

Cites Work

• Normal congruence subgroups of the Hecke groups \(G(2^{(1/2)})\) and \(G(3^{(1/2)})\)
• Classification of Normal Congruence Subgroups of the Modular Group

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