Properties

Label 312.384.7-312.fx.3.53
Level $312$
Index $384$
Genus $7$
Cusps $20$
$\Q$-cusps $4$

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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 $312$ $2$ $2$ $3$ $?$