The modular curve $X_{160}$

Curve name $X_{160}$
Index $24$
Level $16$
Genus $1$
Does the subgroup contain $-I$? Yes
Generating matrices $ \left[ \begin{matrix} 13 & 10 \\ 0 & 1 \end{matrix}\right], \left[ \begin{matrix} 13 & 13 \\ 2 & 3 \end{matrix}\right], \left[ \begin{matrix} 11 & 11 \\ 2 & 1 \end{matrix}\right], \left[ \begin{matrix} 5 & 10 \\ 2 & 3 \end{matrix}\right]$
Images in lower levels
LevelIndex of imageCorresponding curve
$2$ $3$ $X_{6}$
$4$ $6$ $X_{11}$
$8$ $12$ $X_{39}$
Meaning/Special name
Chosen covering $X_{39}$
Curves that $X_{160}$ minimally covers $X_{39}$
Curves that minimally cover $X_{160}$ $X_{282}$, $X_{286}$, $X_{303}$, $X_{307}$, $X_{362}$, $X_{366}$, $X_{370}$, $X_{381}$, $X_{388}$, $X_{398}$
Curves that minimally cover $X_{160}$ and have infinitely many rational points.
Model \[y^2 = x^3 - x^2 - 13x + 21\]
Info about rational points
Rational pointImage on the $j$-line
$(0 : 1 : 0)$ \[ \infty \]
$(3 : 0 : 1)$ \[1728 \,\,(\text{CM by }-4)\]
Comments on finding rational points None
Elliptic curve whose $2$-adic image is the subgroup None
Generic density of odd order reductions N/A

Back to the 2-adic image homepage.