The conjugacy problem of the modular group and the class number of real quadratic number fields

DOI10.1016/0022-314X(85)90049-6zbMath0567.10018OpenAlexW1964048657MaRDI QIDQ1059657

Charles Traina

Publication date: 1985

Published in: Journal of Number Theory (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/0022-314x(85)90049-6

zbMATH Keywords

real quadratic fieldsconjugacy problemnumbers of ideal classesPSL(2,Z)Taussky theorem

Mathematics Subject Classification ID

Quadratic extensions (11R11) Unimodular groups, congruence subgroups (group-theoretic aspects) (20H05) Structure of modular groups and generalizations; arithmetic groups (11F06) Iwasawa theory (11R23)

Related Items

Matrix zeros of quadratic equations ⋮ Combinatorial growth in the modular group

Cites Work

• The uses of 2 by 2 matrices in combinatorial group theory. A survey
• On a Theorem of Latimer and Macduffee
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