Curve name | $X_{262}$ | |||||||||
Index | $48$ | |||||||||
Level | $8$ | |||||||||
Genus | $1$ | |||||||||
Does the subgroup contain $-I$? | Yes | |||||||||
Generating matrices | $ \left[ \begin{matrix} 1 & 1 \\ 4 & 7 \end{matrix}\right], \left[ \begin{matrix} 1 & 4 \\ 6 & 7 \end{matrix}\right], \left[ \begin{matrix} 1 & 4 \\ 0 & 1 \end{matrix}\right]$ | |||||||||
Images in lower levels |
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Meaning/Special name | ||||||||||
Chosen covering | $X_{69}$ | |||||||||
Curves that $X_{262}$ minimally covers | $X_{69}$, $X_{80}$, $X_{81}$, $X_{90}$, $X_{131}$, $X_{143}$, $X_{146}$ | |||||||||
Curves that minimally cover $X_{262}$ | $X_{480}$, $X_{539}$, $X_{546}$ | |||||||||
Curves that minimally cover $X_{262}$ and have infinitely many rational points. | ||||||||||
Model | A model was not computed. This curve is covered by $X_{54}$, which only has finitely many rational points. | |||||||||
Info about rational points | ||||||||||
Comments on finding rational points | None | |||||||||
Elliptic curve whose $2$-adic image is the subgroup | None | |||||||||
Generic density of odd order reductions | N/A |