Curve name | $X_{117n}$ | ||||||||||||
Index | $48$ | ||||||||||||
Level | $16$ | ||||||||||||
Genus | $0$ | ||||||||||||
Does the subgroup contain $-I$? | No | ||||||||||||
Generating matrices | $ \left[ \begin{matrix} 7 & 7 \\ 0 & 7 \end{matrix}\right], \left[ \begin{matrix} 1 & 0 \\ 8 & 7 \end{matrix}\right], \left[ \begin{matrix} 5 & 0 \\ 0 & 7 \end{matrix}\right], \left[ \begin{matrix} 3 & 0 \\ 0 & 3 \end{matrix}\right]$ | ||||||||||||
Images in lower levels |
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Meaning/Special name | |||||||||||||
Chosen covering | $X_{117}$ | ||||||||||||
Curves that $X_{117n}$ minimally covers | |||||||||||||
Curves that minimally cover $X_{117n}$ | |||||||||||||
Curves that minimally cover $X_{117n}$ and have infinitely many rational points. | |||||||||||||
Model | $\mathbb{P}^{1}$, a universal elliptic curve over an appropriate base is given by \[y^2 = x^3 + A(t)x + B(t), \text{ where}\] \[A(t) = -108t^{12} - 108t^{10} + 405t^{8} + 432t^{6} - 108t^{2} - 27\] \[B(t) = -432t^{18} - 648t^{16} - 3564t^{14} - 4914t^{12} + 162t^{10} + 3483t^{8} + 1512t^{6} - 324t^{4} - 324t^{2} - 54\] | ||||||||||||
Info about rational points | |||||||||||||
Comments on finding rational points | None | ||||||||||||
Elliptic curve whose $2$-adic image is the subgroup | $y^2 = x^3 - 1164378x - 483603127$, with conductor $8280$ | ||||||||||||
Generic density of odd order reductions | $635/5376$ |