The Normal Subgroup Structure of the Picard Group
DOI10.2307/2000868zbMath0624.20031OpenAlexW4256372237MaRDI QIDQ3762502
Publication date: 1987
Full work available at URL: https://doi.org/10.2307/2000868
principal congruence subgroupssubgroups of finite indexmodular groupPicard groupderived seriesnormal subgroup latticecongruence subgroup latticenormal noncongruence subgroups
Subgroup theorems; subgroup growth (20E07) Unimodular groups, congruence subgroups (group-theoretic aspects) (20H05) Structure of modular groups and generalizations; arithmetic groups (11F06) Chains and lattices of subgroups, subnormal subgroups (20E15) Fuchsian groups and their generalizations (group-theoretic aspects) (20H10) Derived series, central series, and generalizations for groups (20F14)
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