DETERMINATION OF THE FRICKE FAMILIES
For a positive integer N divisible by 4, let ${\mathcal{O}}^1_N({\mathbb{Q}})$ be the ring of weakly holomorphic modular functions for the congruence subgroup ${\Gamma}^1(N)$ with rational Fourier coefficients. We present explicit generators of the ring ${\mathcal{O}}^1_N({\mathbb{Q}})$ over ${\math...
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Published in | Journal of the Korean Mathematical Society Vol. 53; no. 6; pp. 1445 - 1457 |
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Main Authors | , |
Format | Journal Article |
Language | Korean |
Published |
2016
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Subjects | |
Online Access | Get full text |
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Summary: | For a positive integer N divisible by 4, let ${\mathcal{O}}^1_N({\mathbb{Q}})$ be the ring of weakly holomorphic modular functions for the congruence subgroup ${\Gamma}^1(N)$ with rational Fourier coefficients. We present explicit generators of the ring ${\mathcal{O}}^1_N({\mathbb{Q}})$ over ${\mathbb{Q}}$ in terms of both Fricke functions and Siegel functions, from which we are able to classify all Fricke families of such level N. |
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Bibliography: | KISTI1.1003/JNL.JAKO201634347321235 |
ISSN: | 0304-9914 |