Curve name | $X_{62j}$ | |||||||||
Index | $48$ | |||||||||
Level | $8$ | |||||||||
Genus | $0$ | |||||||||
Does the subgroup contain $-I$? | No | |||||||||
Generating matrices | $ \left[ \begin{matrix} 3 & 6 \\ 0 & 7 \end{matrix}\right], \left[ \begin{matrix} 3 & 0 \\ 0 & 5 \end{matrix}\right], \left[ \begin{matrix} 5 & 0 \\ 0 & 5 \end{matrix}\right], \left[ \begin{matrix} 7 & 0 \\ 4 & 7 \end{matrix}\right]$ | |||||||||
Images in lower levels |
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Meaning/Special name | ||||||||||
Chosen covering | $X_{62}$ | |||||||||
Curves that $X_{62j}$ minimally covers | ||||||||||
Curves that minimally cover $X_{62j}$ | ||||||||||
Curves that minimally cover $X_{62j}$ and have infinitely many rational points. | ||||||||||
Model | $\mathbb{P}^{1}$, a universal elliptic curve over an appropriate base is given by \[y^2 = x^3 + A(t)x + B(t), \text{ where}\] \[A(t) = -108t^{16} - 5184t^{12} + 44928t^{8} - 82944t^{4} - 27648\] \[B(t) = 432t^{24} - 62208t^{20} + 476928t^{16} - 7630848t^{8} + 15925248t^{4} - 1769472\] | |||||||||
Info about rational points | ||||||||||
Comments on finding rational points | None | |||||||||
Elliptic curve whose $2$-adic image is the subgroup | $y^2 = x^3 + x^2 - 87851969x - 102107357409$, with conductor $1138368$ | |||||||||
Generic density of odd order reductions | $335/2688$ |