We derive equations for the modular curve X ns(11) associated to a non-split Cartan subgroup of GL2(F11). This allows us to compute the automorphism group of the curve and show that it is isomorphic to Klein's four group. © 2014 Elsevier Inc.
The automorphism group of the non-split Cartan modular curve of level 11 / Dose, V.; Fernandez, J.; Gonzalez, J.; Schoof, R.. - In: JOURNAL OF ALGEBRA. - ISSN 0021-8693. - 417:(2014), pp. 95-102. [10.1016/j.jalgebra.2014.05.036]
The automorphism group of the non-split Cartan modular curve of level 11
Dose V.;Schoof R.
2014
Abstract
We derive equations for the modular curve X ns(11) associated to a non-split Cartan subgroup of GL2(F11). This allows us to compute the automorphism group of the curve and show that it is isomorphic to Klein's four group. © 2014 Elsevier Inc.File allegati a questo prodotto
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