Invariants
Level: | $328$ | $\SL_2$-level: | $8$ | ||||
Index: | $48$ | $\PSL_2$-index: | $24$ | ||||
Genus: | $0 = 1 + \frac{ 24 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 6 }{2}$ | ||||||
Cusps: | $6$ (none of which are rational) | Cusp widths | $2^{4}\cdot8^{2}$ | Cusp orbits | $2^{3}$ | ||
Elliptic points: | $0$ of order $2$ and $0$ of order $3$ | ||||||
$\Q$-gonality: | $2$ | ||||||
$\overline{\Q}$-gonality: | $1$ | ||||||
Rational cusps: | $0$ | ||||||
Rational CM points: | none |
Other labels
Cummins and Pauli (CP) label: | 8G0 |
Level structure
$\GL_2(\Z/328\Z)$-generators: | $\begin{bmatrix}141&104\\89&15\end{bmatrix}$, $\begin{bmatrix}163&108\\102&139\end{bmatrix}$, $\begin{bmatrix}181&168\\210&205\end{bmatrix}$, $\begin{bmatrix}245&52\\185&279\end{bmatrix}$ |
Contains $-I$: | no $\quad$ (see 328.24.0.be.1 for the level structure with $-I$) |
Cyclic 328-isogeny field degree: | $84$ |
Cyclic 328-torsion field degree: | $13440$ |
Full 328-torsion field degree: | $88166400$ |
Rational points
This modular curve has no real points, and therefore no rational points.
Modular covers
This modular curve minimally covers the modular curves listed below.
Covered curve | Level | Index | Degree | Genus | Rank |
---|---|---|---|---|---|
8.24.0-4.d.1.2 | $8$ | $2$ | $2$ | $0$ | $0$ |
328.24.0-4.d.1.1 | $328$ | $2$ | $2$ | $0$ | $?$ |
328.24.0-328.ba.1.4 | $328$ | $2$ | $2$ | $0$ | $?$ |
328.24.0-328.ba.1.8 | $328$ | $2$ | $2$ | $0$ | $?$ |
328.24.0-328.ba.1.9 | $328$ | $2$ | $2$ | $0$ | $?$ |
328.24.0-328.ba.1.13 | $328$ | $2$ | $2$ | $0$ | $?$ |
This modular curve is minimally covered by the modular curves in the database listed below.
Covering curve | Level | Index | Degree | Genus |
---|---|---|---|---|
328.96.1-328.dw.1.2 | $328$ | $2$ | $2$ | $1$ |
328.96.1-328.dx.1.4 | $328$ | $2$ | $2$ | $1$ |
328.96.1-328.dy.1.2 | $328$ | $2$ | $2$ | $1$ |
328.96.1-328.dz.1.4 | $328$ | $2$ | $2$ | $1$ |