Please use this identifier to cite or link to this item:
https://scholarbank.nus.edu.sg/handle/10635/103972
DC Field | Value | |
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dc.title | Principal Congruence Subgroups of the Hecke Groups | |
dc.contributor.author | Lang, M.-L. | |
dc.contributor.author | Lim, C.-H. | |
dc.contributor.author | Tan, S.-P. | |
dc.date.accessioned | 2014-10-28T02:43:41Z | |
dc.date.available | 2014-10-28T02:43:41Z | |
dc.date.issued | 2000-12 | |
dc.identifier.citation | Lang, M.-L.,Lim, C.-H.,Tan, S.-P. (2000-12). Principal Congruence Subgroups of the Hecke Groups. Journal of Number Theory 85 (2) : 220-230. ScholarBank@NUS Repository. | |
dc.identifier.issn | 0022314X | |
dc.identifier.uri | http://scholarbank.nus.edu.sg/handle/10635/103972 | |
dc.description.abstract | Let q be an odd integer >3 and let Gq be the Hecke group associated to q. Let (τ) be a prime ideal of Z[λq] and G(q, τ) the principal congruence subgroup of Gq associated to τ. We give a formula for [Gq:G(q, τ)], the index of the principal congruence subgroup G(q, τ) in Gq. We also give formulae for the indices [G1(q, τ), G(q, τ)] and [G0(q, τ), G1(q, τ)]. Finally, we give a formula for the geometric invariants of G(q, τ) when q is a rational prime. © 2000 Academic Press. | |
dc.source | Scopus | |
dc.subject | Principal congruence subgroups; Hecke groups | |
dc.type | Article | |
dc.contributor.department | MATHEMATICS | |
dc.description.sourcetitle | Journal of Number Theory | |
dc.description.volume | 85 | |
dc.description.issue | 2 | |
dc.description.page | 220-230 | |
dc.description.coden | JNUTA | |
dc.identifier.isiut | NOT_IN_WOS | |
Appears in Collections: | Staff Publications |
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