COUNTING SUBGROUPS OF THE HECKE GROUPS

DOI10.1142/S0218196793000044zbMATH Open0779.20026MaRDI QIDQ4039404

Benjamin Fine, Dennis Spellman

Publication date: 12 January 1994

Published in: International Journal of Algebra and Computation (Search for Journal in Brave)

zbMATH Keywords

Hecke groupsmodular groupDirichlet seriespermutation representationsnumber of subgroupsclosed form formulasdiscrete subgroup of \(\text{PSL}_ 2(\mathbb{R})\)

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) Chains and lattices of subgroups, subnormal subgroups (20E15)

Related Items (4)

Counting multiplicative groups with prescribed subgroups ⋮ Title not available (Why is that?) ⋮ Title not available (Why is that?) ⋮ Counting finite index subgroups and the P. Hall enumeration principle

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