scientific article; zbMATH DE number 5180927

zbMath1131.20034MaRDI QIDQ5755167

Muhammad Ashiq, Qaiser Mushtaq

Publication date: 20 August 2007

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

imaginary quadratic fieldsmodular groupcoset diagramslinear fractional transformationsrational projective linereal quadratic irrational numbers

Mathematics Subject Classification ID

Quadratic extensions (11R11) Unimodular groups, congruence subgroups (group-theoretic aspects) (20H05) Graphs and abstract algebra (groups, rings, fields, etc.) (05C25) Structure of modular groups and generalizations; arithmetic groups (11F06)

Related Items (1)

The Hecke group \(H(\lambda_4)\) acting on imaginary quadratic number fields

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