COMPUTING WITH SUBGROUPS OF THE MODULAR GROUP

DOI10.1017/S0017089514000202zbMath1321.20043OpenAlexW2147669829MaRDI QIDQ2940235

Markus Kirschmer, Charles R. Leedham-Green

Publication date: 26 January 2015

Published in: Glasgow Mathematical Journal (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1017/s0017089514000202

zbMATH Keywords

algorithmssubgroups of finite indexfinitely generated subgroupsmodular groupNielson generators

Mathematics Subject Classification ID

Subgroup theorems; subgroup growth (20E07) Generators, relations, and presentations of groups (20F05) Unimodular groups, congruence subgroups (group-theoretic aspects) (20H05) Software, source code, etc. for problems pertaining to group theory (20-04)

Cites Work

• The Nielsen reduction and P-complete problems in free groups
• The Magma algebra system. I: The user language
• Identifying congruence subgroups of the modular group

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