The modular curve $X_{101j}$

Curve name $X_{101j}$
Index $48$
Level $8$
Genus $0$
Does the subgroup contain $-I$? No
Generating matrices $ \left[ \begin{matrix} 1 & 0 \\ 0 & 5 \end{matrix}\right], \left[ \begin{matrix} 7 & 6 \\ 4 & 7 \end{matrix}\right], \left[ \begin{matrix} 5 & 0 \\ 4 & 1 \end{matrix}\right], \left[ \begin{matrix} 3 & 0 \\ 0 & 1 \end{matrix}\right]$
Images in lower levels
LevelIndex of imageCorresponding curve
$2$ $6$ $X_{8}$
$4$ $24$ $X_{25i}$
Meaning/Special name
Chosen covering $X_{101}$
Curves that $X_{101j}$ minimally covers
Curves that minimally cover $X_{101j}$
Curves that minimally cover $X_{101j}$ and have infinitely many rational points.
Model $\mathbb{P}^{1}$, a universal elliptic curve over an appropriate base is given by \[y^2 = x^3 + A(t)x + B(t), \text{ where}\] \[A(t) = -1769472t^{12} + 1769472t^{10} - 691200t^{8} + 131328t^{6} - 12528t^{4} + 648t^{2} - 27\] \[B(t) = 905969664t^{18} - 1358954496t^{16} + 870580224t^{14} - 309657600t^{12} + 66023424t^{10} - 8294400t^{8} + 508032t^{6} + 2592t^{4} - 1944t^{2} + 54\]
Info about rational points
Comments on finding rational points None
Elliptic curve whose $2$-adic image is the subgroup $y^2 + xy = x^3 - x^2 - 441x + 3672$, with conductor $63$
Generic density of odd order reductions $17/168$

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