Invariants
Level: | $312$ | $\SL_2$-level: | $24$ | Newform level: | $1$ | ||
Index: | $384$ | $\PSL_2$-index: | $192$ | ||||
Genus: | $7 = 1 + \frac{ 192 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 20 }{2}$ | ||||||
Cusps: | $20$ (of which $4$ are rational) | Cusp widths | $4^{8}\cdot8^{2}\cdot12^{8}\cdot24^{2}$ | Cusp orbits | $1^{4}\cdot2^{4}\cdot4^{2}$ | ||
Elliptic points: | $0$ of order $2$ and $0$ of order $3$ | ||||||
Analytic rank: | not computed | ||||||
$\Q$-gonality: | $2 \le \gamma \le 7$ | ||||||
$\overline{\Q}$-gonality: | $2 \le \gamma \le 7$ | ||||||
Rational cusps: | $4$ | ||||||
Rational CM points: | none |
Other labels
Cummins and Pauli (CP) label: | 24AL7 |
Level structure
$\GL_2(\Z/312\Z)$-generators: | $\begin{bmatrix}37&300\\232&305\end{bmatrix}$, $\begin{bmatrix}55&282\\160&215\end{bmatrix}$, $\begin{bmatrix}243&238\\112&111\end{bmatrix}$, $\begin{bmatrix}291&178\\160&177\end{bmatrix}$, $\begin{bmatrix}305&12\\240&287\end{bmatrix}$, $\begin{bmatrix}305&90\\60&71\end{bmatrix}$ |
Contains $-I$: | no $\quad$ (see 312.192.7.fx.3 for the level structure with $-I$) |
Cyclic 312-isogeny field degree: | $28$ |
Cyclic 312-torsion field degree: | $2688$ |
Full 312-torsion field degree: | $5031936$ |
Rational points
This modular curve has 4 rational cusps but no known non-cuspidal rational points.
Modular covers
This modular curve minimally covers the modular curves listed below.
Covered curve | Level | Index | Degree | Genus | Rank |
---|---|---|---|---|---|
24.192.3-24.bq.2.47 | $24$ | $2$ | $2$ | $3$ | $0$ |
312.192.3-24.bq.2.16 | $312$ | $2$ | $2$ | $3$ | $?$ |
312.192.3-312.ex.4.58 | $312$ | $2$ | $2$ | $3$ | $?$ |
312.192.3-312.ex.4.109 | $312$ | $2$ | $2$ | $3$ | $?$ |
312.192.3-312.fb.2.69 | $312$ | $2$ | $2$ | $3$ | $?$ |
312.192.3-312.fb.2.78 | $312$ | $2$ | $2$ | $3$ | $?$ |