Curve name | $X_{116k}$ | ||||||||||||
Index | $48$ | ||||||||||||
Level | $16$ | ||||||||||||
Genus | $0$ | ||||||||||||
Does the subgroup contain $-I$? | No | ||||||||||||
Generating matrices | $ \left[ \begin{matrix} 1 & 0 \\ 0 & 7 \end{matrix}\right], \left[ \begin{matrix} 3 & 0 \\ 0 & 7 \end{matrix}\right], \left[ \begin{matrix} 3 & 9 \\ 12 & 7 \end{matrix}\right]$ | ||||||||||||
Images in lower levels |
|
||||||||||||
Meaning/Special name | |||||||||||||
Chosen covering | $X_{116}$ | ||||||||||||
Curves that $X_{116k}$ minimally covers | |||||||||||||
Curves that minimally cover $X_{116k}$ | |||||||||||||
Curves that minimally cover $X_{116k}$ and have infinitely many rational points. | |||||||||||||
Model | $\mathbb{P}^{1}$, a universal elliptic curve over an appropriate base is given by \[y^2 = x^3 + A(t)x + B(t), \text{ where}\] \[A(t) = -108t^{8} - 1728t^{4} - 1728\] \[B(t) = -432t^{12} - 10368t^{8} - 51840t^{4} + 27648\] | ||||||||||||
Info about rational points | |||||||||||||
Comments on finding rational points | None | ||||||||||||
Elliptic curve whose $2$-adic image is the subgroup | $y^2 = x^3 - x^2 - 141697x - 20482847$, with conductor $7872$ | ||||||||||||
Generic density of odd order reductions | $419/2688$ |