The modular curve $X_{241f}$

Curve name $X_{241f}$
Index $96$
Level $32$
Genus $0$
Does the subgroup contain $-I$? No
Generating matrices $ \left[ \begin{matrix} 3 & 12 \\ 0 & 7 \end{matrix}\right], \left[ \begin{matrix} 1 & 3 \\ 20 & 5 \end{matrix}\right], \left[ \begin{matrix} 1 & 0 \\ 0 & 3 \end{matrix}\right]$
Images in lower levels
LevelIndex of imageCorresponding curve
$2$ $3$ $X_{6}$
$4$ $6$ $X_{13}$
$8$ $24$ $X_{32c}$
$16$ $48$ $X_{116c}$
Meaning/Special name
Chosen covering $X_{241}$
Curves that $X_{241f}$ minimally covers
Curves that minimally cover $X_{241f}$
Curves that minimally cover $X_{241f}$ and have infinitely many rational points.
Model $\mathbb{P}^{1}$, a universal elliptic curve over an appropriate base is given by \[y^2 = x^3 + A(t)x + B(t), \text{ where}\] \[A(t) = -108t^{32} - 1944t^{24} - 5292t^{16} - 5184t^{8} - 1728\] \[B(t) = -432t^{48} + 11664t^{40} + 79056t^{32} + 190512t^{24} + 220320t^{16} + 124416t^{8} + 27648\]
Info about rational points
Comments on finding rational points None
Elliptic curve whose $2$-adic image is the subgroup $y^2 = x^3 - 383348396x - 2324025476816$, with conductor $4227136$
Generic density of odd order reductions $4769/28672$

Back to the 2-adic image homepage.