Curve name |
$X_{376}$ |
Index |
$48$ |
Level |
$16$ |
Genus |
$2$ |
Does the subgroup contain $-I$? |
Yes |
Generating matrices |
$
\left[ \begin{matrix} 1 & 1 \\ 12 & 15 \end{matrix}\right],
\left[ \begin{matrix} 3 & 9 \\ 4 & 13 \end{matrix}\right],
\left[ \begin{matrix} 3 & 0 \\ 0 & 3 \end{matrix}\right],
\left[ \begin{matrix} 3 & 0 \\ 12 & 15 \end{matrix}\right]$ |
Images in lower levels |
|
Meaning/Special name |
|
Chosen covering |
$X_{94}$ |
Curves that $X_{376}$ minimally covers |
$X_{94}$, $X_{150}$, $X_{153}$ |
Curves that minimally cover $X_{376}$ |
|
Curves that minimally cover $X_{376}$ and have infinitely many rational
points. |
|
Model |
\[y^2 = x^6 - 5x^4 - 5x^2 + 1\] |
Info about rational points |
Rational point | Image on the $j$-line |
$(1 : -1 : 0)$ |
\[1728 \,\,(\text{CM by }-4)\]
|
$(1 : 1 : 0)$ |
\[1728 \,\,(\text{CM by }-4)\]
|
$(0 : -1 : 1)$ |
\[1728 \,\,(\text{CM by }-4)\]
|
$(0 : 1 : 1)$ |
\[1728 \,\,(\text{CM by }-4)\]
|
|
Comments on finding rational points |
The rank of the Jacobian is 2. This curve admits a family of etale double
covers that map to rank zero elliptic curves. |
Elliptic curve whose $2$-adic image is the subgroup |
None |
Generic density of odd order reductions |
N/A |