| Curve name |
$X_{58j}$ |
| Index |
$48$ |
| Level |
$8$ |
| Genus |
$0$ |
| Does the subgroup contain $-I$? |
No |
| Generating matrices |
$
\left[ \begin{matrix} 7 & 4 \\ 4 & 7 \end{matrix}\right],
\left[ \begin{matrix} 3 & 0 \\ 2 & 1 \end{matrix}\right],
\left[ \begin{matrix} 1 & 0 \\ 0 & 5 \end{matrix}\right],
\left[ \begin{matrix} 3 & 0 \\ 4 & 3 \end{matrix}\right],
\left[ \begin{matrix} 5 & 0 \\ 0 & 1 \end{matrix}\right]$ |
| Images in lower levels |
|
| Meaning/Special name |
|
| Chosen covering |
$X_{58}$ |
| Curves that $X_{58j}$ minimally covers |
|
| Curves that minimally cover $X_{58j}$ |
|
| Curves that minimally cover $X_{58j}$ and have infinitely many rational
points. |
|
| Model |
$\mathbb{P}^{1}$, a universal elliptic curve over an appropriate base is
given by
\[y^2 = x^3 + A(t)x + B(t), \text{ where}\]
\[A(t) = -27t^{14} + 54t^{12} - 405t^{10} + 756t^{8} - 405t^{6} + 54t^{4} -
27t^{2}\]
\[B(t) = 54t^{21} - 162t^{19} - 1620t^{17} + 5292t^{15} - 7128t^{13} +
7128t^{11} - 5292t^{9} + 1620t^{7} + 162t^{5} - 54t^{3}\]
|
| Info about rational points |
| Comments on finding rational points |
None |
| Elliptic curve whose $2$-adic image is the subgroup |
$y^2 = x^3 - 7488300x - 7225918000$, with conductor $187200$ |
| Generic density of odd order reductions |
$25/224$ |