Curve name | $X_{222c}$ | ||||||||||||
Index | $96$ | ||||||||||||
Level | $16$ | ||||||||||||
Genus | $0$ | ||||||||||||
Does the subgroup contain $-I$? | No | ||||||||||||
Generating matrices | $ \left[ \begin{matrix} 7 & 7 \\ 0 & 1 \end{matrix}\right], \left[ \begin{matrix} 3 & 0 \\ 12 & 3 \end{matrix}\right], \left[ \begin{matrix} 3 & 9 \\ 0 & 1 \end{matrix}\right]$ | ||||||||||||
Images in lower levels |
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Meaning/Special name | |||||||||||||
Chosen covering | $X_{222}$ | ||||||||||||
Curves that $X_{222c}$ minimally covers | |||||||||||||
Curves that minimally cover $X_{222c}$ | |||||||||||||
Curves that minimally cover $X_{222c}$ and have infinitely many rational points. | |||||||||||||
Model | $\mathbb{P}^{1}$, a universal elliptic curve over an appropriate base is given by \[y^2 = x^3 + A(t)x + B(t), \text{ where}\] \[A(t) = -27t^{32} + 324t^{24} + 702t^{16} + 324t^{8} - 27\] \[B(t) = 54t^{48} + 1944t^{40} + 3726t^{32} - 3726t^{16} - 1944t^{8} - 54\] | ||||||||||||
Info about rational points | |||||||||||||
Comments on finding rational points | None | ||||||||||||
Elliptic curve whose $2$-adic image is the subgroup | $y^2 + xy + y = x^3 - x^2 - 85248619x - 371915890997$, with conductor $132098$ | ||||||||||||
Generic density of odd order reductions | $13411/86016$ |