Invariants
Level: | $328$ | $\SL_2$-level: | $8$ | ||||
Index: | $96$ | $\PSL_2$-index: | $48$ | ||||
Genus: | $0 = 1 + \frac{ 48 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 10 }{2}$ | ||||||
Cusps: | $10$ (none of which are rational) | Cusp widths | $2^{4}\cdot4^{2}\cdot8^{4}$ | Cusp orbits | $2^{5}$ | ||
Elliptic points: | $0$ of order $2$ and $0$ of order $3$ | ||||||
$\Q$-gonality: | $1 \le \gamma \le 2$ | ||||||
$\overline{\Q}$-gonality: | $1$ | ||||||
Rational cusps: | $0$ | ||||||
Rational CM points: | none |
Other labels
Cummins and Pauli (CP) label: | 8O0 |
Level structure
$\GL_2(\Z/328\Z)$-generators: | $\begin{bmatrix}9&240\\34&7\end{bmatrix}$, $\begin{bmatrix}31&60\\154&43\end{bmatrix}$, $\begin{bmatrix}143&108\\192&87\end{bmatrix}$, $\begin{bmatrix}279&208\\140&99\end{bmatrix}$ |
Contains $-I$: | no $\quad$ (see 328.48.0.x.1 for the level structure with $-I$) |
Cyclic 328-isogeny field degree: | $84$ |
Cyclic 328-torsion field degree: | $13440$ |
Full 328-torsion field degree: | $44083200$ |
Models
This modular curve is isomorphic to $\mathbb{P}^1$.
Rational points
This modular curve has real points and $\Q_p$ points for $p$ not dividing the level, but no known rational points.
Modular covers
This modular curve minimally covers the modular curves listed below.
Covered curve | Level | Index | Degree | Genus | Rank |
---|---|---|---|---|---|
8.48.0-8.e.1.5 | $8$ | $2$ | $2$ | $0$ | $0$ |
328.48.0-8.e.1.6 | $328$ | $2$ | $2$ | $0$ | $?$ |
328.48.0-328.i.2.24 | $328$ | $2$ | $2$ | $0$ | $?$ |
328.48.0-328.i.2.31 | $328$ | $2$ | $2$ | $0$ | $?$ |
328.48.0-328.m.1.16 | $328$ | $2$ | $2$ | $0$ | $?$ |
328.48.0-328.m.1.19 | $328$ | $2$ | $2$ | $0$ | $?$ |
This modular curve is minimally covered by the modular curves in the database listed below.
Covering curve | Level | Index | Degree | Genus |
---|---|---|---|---|
328.192.1-328.s.2.5 | $328$ | $2$ | $2$ | $1$ |
328.192.1-328.t.2.5 | $328$ | $2$ | $2$ | $1$ |
328.192.1-328.x.1.5 | $328$ | $2$ | $2$ | $1$ |
328.192.1-328.y.1.5 | $328$ | $2$ | $2$ | $1$ |
328.192.1-328.bm.1.7 | $328$ | $2$ | $2$ | $1$ |
328.192.1-328.bn.1.7 | $328$ | $2$ | $2$ | $1$ |
328.192.1-328.bo.2.7 | $328$ | $2$ | $2$ | $1$ |
328.192.1-328.bp.2.7 | $328$ | $2$ | $2$ | $1$ |