The modular curve $X_{368}$

Curve name $X_{368}$
Index $48$
Level $16$
Genus $2$
Does the subgroup contain $-I$? Yes
Generating matrices $ \left[ \begin{matrix} 9 & 9 \\ 4 & 1 \end{matrix}\right], \left[ \begin{matrix} 11 & 1 \\ 12 & 3 \end{matrix}\right], \left[ \begin{matrix} 15 & 0 \\ 0 & 1 \end{matrix}\right], \left[ \begin{matrix} 3 & 0 \\ 0 & 3 \end{matrix}\right]$
Images in lower levels
LevelIndex of imageCorresponding curve
$2$ $3$ $X_{6}$
$4$ $6$ $X_{13}$
$8$ $24$ $X_{79}$
Meaning/Special name
Chosen covering $X_{79}$
Curves that $X_{368}$ minimally covers $X_{79}$
Curves that minimally cover $X_{368}$
Curves that minimally cover $X_{368}$ and have infinitely many rational points.
Model \[y^2 = -x^6 + 5x^4 + 5x^2 - 1\]
Info about rational points No non-singular rational points
Comments on finding rational points The rank of the Jacobian is 0. We use the method of Chabauty.
Elliptic curve whose $2$-adic image is the subgroup None
Generic density of odd order reductions N/A

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