Curve name | $X_{32a}$ | ||||||||||||
Index | $24$ | ||||||||||||
Level | $16$ | ||||||||||||
Genus | $0$ | ||||||||||||
Does the subgroup contain $-I$? | No | ||||||||||||
Generating matrices | $ \left[ \begin{matrix} 3 & 9 \\ 4 & 1 \end{matrix}\right], \left[ \begin{matrix} 3 & 3 \\ 12 & 7 \end{matrix}\right], \left[ \begin{matrix} 1 & 3 \\ 4 & 5 \end{matrix}\right], \left[ \begin{matrix} 3 & 9 \\ 12 & 3 \end{matrix}\right]$ | ||||||||||||
Images in lower levels |
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Meaning/Special name | |||||||||||||
Chosen covering | $X_{32}$ | ||||||||||||
Curves that $X_{32a}$ minimally covers | |||||||||||||
Curves that minimally cover $X_{32a}$ | |||||||||||||
Curves that minimally cover $X_{32a}$ and have infinitely many rational points. | |||||||||||||
Model | $\mathbb{P}^{1}$, a universal elliptic curve over an appropriate base is given by \[y^2 = x^3 + A(t)x + B(t), \text{ where}\] \[A(t) = -108t^{10} - 5184t^{8} - 84672t^{6} - 497664t^{4} - 442368t^{2}\] \[B(t) = 432t^{15} + 31104t^{13} + 881280t^{11} + 12192768t^{9} + 80953344t^{7} + 191102976t^{5} - 113246208t^{3}\] | ||||||||||||
Info about rational points | |||||||||||||
Comments on finding rational points | None | ||||||||||||
Elliptic curve whose $2$-adic image is the subgroup | $y^2 = x^3 - 108075x - 13675250$, with conductor $7200$ | ||||||||||||
Generic density of odd order reductions | $37/224$ |