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The congruence subgroup problem for branch groups

โœ Scribed by Laurent Bartholdi; Olivier Siegenthaler; Pavel Zalesskii

Book ID
113091238
Publisher
The Hebrew University Magnes Press
Year
2012
Tongue
English
Weight
480 KB
Volume
187
Category
Article
ISSN
0021-2172

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๐Ÿ“œ SIMILAR VOLUMES

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โœ Mong-Lung Lang; Chong-Hai Lim; Ser-Peow Tan ๐Ÿ“‚ Article ๐Ÿ“… 2000 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 126 KB

Let q be an odd integer >3 and let G q be the Hecke group associated to q. Let ({) be a prime ideal of Z[\* q ] and G(q, {) the principal congruence subgroup of G q associated to {. We give a formula for [G q : G(q, {)], the index of the principal congruence subgroup G(q, {) in G q . We also give fo