scientific article; zbMATH DE number 1156434

zbMath0896.20032MaRDI QIDQ4390481

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Publication date: 7 October 1998

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zbMATH Keywords

orbitsreal quadratic fieldscoset diagramsambiguous numbersactions of the modular group

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) Linear algebraic groups over global fields and their integers (20G30) Linear algebraic groups over the reals, the complexes, the quaternions (20G20)

Related Items (1)

Dihedral group and classification of \(G\)-circuits of length 10

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