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Lattice subgroup of free congruence groups

โœ Scribed by R. A. Rankin

Publisher
Springer-Verlag
Year
1967
Tongue
English
Weight
267 KB
Volume
2
Category
Article
ISSN
0020-9910

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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