Curve name | $X_{111}$ | ||||||||||||
Index | $24$ | ||||||||||||
Level | $16$ | ||||||||||||
Genus | $0$ | ||||||||||||
Does the subgroup contain $-I$? | Yes | ||||||||||||
Generating matrices | $ \left[ \begin{matrix} 1 & 2 \\ 0 & 1 \end{matrix}\right], \left[ \begin{matrix} 1 & 3 \\ 0 & 7 \end{matrix}\right], \left[ \begin{matrix} 1 & 3 \\ 10 & 7 \end{matrix}\right], \left[ \begin{matrix} 1 & 0 \\ 4 & 13 \end{matrix}\right]$ | ||||||||||||
Images in lower levels |
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Meaning/Special name | |||||||||||||
Chosen covering | $X_{45}$ | ||||||||||||
Curves that $X_{111}$ minimally covers | $X_{45}$ | ||||||||||||
Curves that minimally cover $X_{111}$ | $X_{210}$, $X_{218}$, $X_{309}$, $X_{322}$, $X_{375}$, $X_{384}$ | ||||||||||||
Curves that minimally cover $X_{111}$ and have infinitely many rational points. | $X_{210}$, $X_{218}$, $X_{309}$ | ||||||||||||
Model | \[\mathbb{P}^{1}, \mathbb{Q}(X_{111}) = \mathbb{Q}(f_{111}), f_{45} = f_{111}^{2} + 4\] | ||||||||||||
Info about rational points | None | ||||||||||||
Comments on finding rational points | None | ||||||||||||
Elliptic curve whose $2$-adic image is the subgroup | $y^2 = x^3 - 7020x + 226368$, with conductor $2016$ | ||||||||||||
Generic density of odd order reductions | $85091/344064$ |