Curve name | $X_{194e}$ | |||||||||
Index | $96$ | |||||||||
Level | $8$ | |||||||||
Genus | $0$ | |||||||||
Does the subgroup contain $-I$? | No | |||||||||
Generating matrices | $ \left[ \begin{matrix} 1 & 2 \\ 0 & 3 \end{matrix}\right], \left[ \begin{matrix} 5 & 2 \\ 0 & 5 \end{matrix}\right], \left[ \begin{matrix} 7 & 6 \\ 0 & 3 \end{matrix}\right]$ | |||||||||
Images in lower levels |
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Meaning/Special name | ||||||||||
Chosen covering | $X_{194}$ | |||||||||
Curves that $X_{194e}$ minimally covers | ||||||||||
Curves that minimally cover $X_{194e}$ | ||||||||||
Curves that minimally cover $X_{194e}$ and have infinitely many rational points. | ||||||||||
Model | $\mathbb{P}^{1}$, a universal elliptic curve over an appropriate base is given by \[y^2 = x^3 + A(t)x + B(t), \text{ where}\] \[A(t) = -7077888t^{16} - 14155776t^{14} - 5308416t^{12} + 884736t^{10} - 6359040t^{8} + 55296t^{6} - 20736t^{4} - 3456t^{2} - 108\] \[B(t) = 7247757312t^{24} + 21743271936t^{22} + 19025362944t^{20} + 3170893824t^{18} - 15882780672t^{16} - 14778630144t^{14} + 1833172992t^{12} - 923664384t^{10} - 62042112t^{8} + 774144t^{6} + 290304t^{4} + 20736t^{2} + 432\] | |||||||||
Info about rational points | ||||||||||
Comments on finding rational points | None | |||||||||
Elliptic curve whose $2$-adic image is the subgroup | $y^2 = x^3 - x^2 - 462081x + 113374881$, with conductor $16320$ | |||||||||
Generic density of odd order reductions | $299/2688$ |