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The signatures of the congruence subgroups G 0(τ) of the hecke groups G 4 and G 6 |
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| Authors: | Mong-Lung Lang |
| Institution: | Department of mathematics , Nationa university of singapore , 119260, Singapore |
| Abstract: | We determine the signatures of the congruence subgroups of the Hecke groups G 4 and G 6. |
| Keywords: | Congruence subgroups Hecke groups Weierstrass points |