| Curve name |
$X_{34a}$ |
| Index |
$24$ |
| Level |
$8$ |
| Genus |
$0$ |
| Does the subgroup contain $-I$? |
No |
| Generating matrices |
$
\left[ \begin{matrix} 3 & 3 \\ 4 & 5 \end{matrix}\right],
\left[ \begin{matrix} 1 & 1 \\ 4 & 5 \end{matrix}\right],
\left[ \begin{matrix} 3 & 3 \\ 0 & 5 \end{matrix}\right]$ |
| Images in lower levels |
|
| Meaning/Special name |
|
| Chosen covering |
$X_{34}$ |
| Curves that $X_{34a}$ minimally covers |
|
| Curves that minimally cover $X_{34a}$ |
|
| Curves that minimally cover $X_{34a}$ and have infinitely many rational
points. |
|
| Model |
$\mathbb{P}^{1}$, a universal elliptic curve over an appropriate base is
given by
\[y^2 = x^3 + A(t)x + B(t), \text{ where}\]
\[A(t) = -432t^{8} + 2592t^{6} - 5292t^{4} + 3888t^{2} - 432\]
\[B(t) = 3456t^{12} - 31104t^{10} + 110160t^{8} - 190512t^{6} + 158112t^{4} -
46656t^{2} - 3456\]
|
| Info about rational points |
| Comments on finding rational points |
None |
| Elliptic curve whose $2$-adic image is the subgroup |
$y^2 = x^3 + 49x - 686$, with conductor $392$ |
| Generic density of odd order reductions |
$643/5376$ |