| Curve name |
$X_{323}$ |
| Index |
$48$ |
| Level |
$16$ |
| Genus |
$1$ |
| Does the subgroup contain $-I$? |
Yes |
| Generating matrices |
$
\left[ \begin{matrix} 1 & 0 \\ 2 & 3 \end{matrix}\right],
\left[ \begin{matrix} 1 & 1 \\ 10 & 15 \end{matrix}\right],
\left[ \begin{matrix} 1 & 0 \\ 4 & 5 \end{matrix}\right],
\left[ \begin{matrix} 1 & 4 \\ 0 & 1 \end{matrix}\right]$ |
| Images in lower levels |
|
| Meaning/Special name |
|
| Chosen covering |
$X_{69}$ |
| Curves that $X_{323}$ minimally covers |
$X_{69}$, $X_{112}$, $X_{150}$ |
| Curves that minimally cover $X_{323}$ |
$X_{568}$, $X_{578}$, $X_{649}$, $X_{651}$, $X_{691}$, $X_{692}$ |
| Curves that minimally cover $X_{323}$ and have infinitely many rational
points. |
|
| Model |
\[y^2 = x^3 + x^2 - 3x + 1\] |
| Info about rational points |
$X_{323}(\mathbb{Q}) \cong \mathbb{Z}/2\mathbb{Z} \times\mathbb{Z}$ |
| Comments on finding rational points |
None |
| Elliptic curve whose $2$-adic image is the subgroup |
$y^2 + xy = x^3 + x^2 + 174549339394871087x - 36189713187335153010390608$,
with conductor $20167985106465$ |
| Generic density of odd order reductions |
$12833/57344$ |