On certain exact sequences for \(\Gamma_ 0(m)\).

DOI10.3792/PJAA.78.83zbMath1106.11302OpenAlexW2008384009MaRDI QIDQ1848139

Takashi Ono

Publication date: 31 October 2002

Published in: Proceedings of the Japan Academy. Series A (Search for Journal in Brave)

Full work available at URL: https://projecteuclid.org/euclid.pja/1148392680

zbMATH Keywords

involutionsquadratic fieldsideal class groupscohomology setsPell's equationsCongruence subgroups of level \(m\)

Mathematics Subject Classification ID

Structure of modular groups and generalizations; arithmetic groups (11F06) Class numbers, class groups, discriminants (11R29) Cohomology of arithmetic groups (11F75)

Related Items (1)

On two questions of Ono.

Cites Work

• On certain cohomology set for \(\Gamma_ 0(N)\). II.
• On certain cohomology set for \(\Gamma_0(N)\).

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