On Maximal Nonparabolic Normal Subgroups of the Modular Group

DOI10.2307/2042633zbMath0388.20038OpenAlexW4255926761MaRDI QIDQ4169537

N. K. Dickson, Alexander W. Mason

Publication date: 1979

Full work available at URL: https://doi.org/10.2307/2042633

Mathematics Subject Classification ID

Subgroup theorems; subgroup growth (20E07) Unimodular groups, congruence subgroups (group-theoretic aspects) (20H05) Chains and lattices of subgroups, subnormal subgroups (20E15) Fuchsian groups and their generalizations (group-theoretic aspects) (20H10)

Related Items (2)

Nonparabolic subgroups of the modular group ⋮ The orbits of the product of two permutations

Cites Work

• Remarks on a theorem of L. Greenberg on the modular group
• Nonparabolic subgroups of the modular group
• Embeddings into Simple Groups
• Infinite groups whose proper quotient groups are finite, I
• Lattice subgroups of free congruence groups
• Lattice Subgroups of Normal Subgroups of Genus Zero of the Modular Group
• A Complete Description of the Normal Subgroups of Genus One of the Modular Group
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