| Curve name |
$X_{195g}$ |
| Index |
$96$ |
| Level |
$8$ |
| Genus |
$0$ |
| Does the subgroup contain $-I$? |
No |
| Generating matrices |
$
\left[ \begin{matrix} 7 & 7 \\ 0 & 1 \end{matrix}\right],
\left[ \begin{matrix} 5 & 5 \\ 0 & 7 \end{matrix}\right],
\left[ \begin{matrix} 5 & 7 \\ 0 & 7 \end{matrix}\right]$ |
| Images in lower levels |
|
| Meaning/Special name |
|
| Chosen covering |
$X_{195}$ |
| Curves that $X_{195g}$ minimally covers |
|
| Curves that minimally cover $X_{195g}$ |
|
| Curves that minimally cover $X_{195g}$ and have infinitely many rational
points. |
|
| Model |
$\mathbb{P}^{1}$, a universal elliptic curve over an appropriate base is
given by
\[y^2 = x^3 + A(t)x + B(t), \text{ where}\]
\[A(t) = -27648t^{16} + 414720t^{12} - 231552t^{8} + 25920t^{4} - 108\]
\[B(t) = 1769472t^{24} + 55738368t^{20} - 115126272t^{16} + 48771072t^{12} -
7195392t^{8} + 217728t^{4} + 432\]
|
| Info about rational points |
| Comments on finding rational points |
None |
| Elliptic curve whose $2$-adic image is the subgroup |
$y^2 = x^3 + x^2 + 2239x - 20961$, with conductor $960$ |
| Generic density of odd order reductions |
$299/2688$ |