Properties

Label 312.384.7-312.ib.2.38
Level $312$
Index $384$
Genus $7$
Cusps $20$
$\Q$-cusps $0$

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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: $20$ (none of which are rational) Cusp widths $2^{4}\cdot4^{2}\cdot6^{4}\cdot8^{4}\cdot12^{2}\cdot24^{4}$ Cusp orbits $2^{10}$
Elliptic points: $0$ of order $2$ and $0$ of order $3$
Analytic rank: not computed
$\Q$-gonality: $3 \le \gamma \le 12$
$\overline{\Q}$-gonality: $3 \le \gamma \le 7$
Rational cusps: $0$
Rational CM points: none

Other labels

Cummins and Pauli (CP) label: 24AI7

Level structure

$\GL_2(\Z/312\Z)$-generators: $\begin{bmatrix}83&22\\260&309\end{bmatrix}$, $\begin{bmatrix}143&154\\96&223\end{bmatrix}$, $\begin{bmatrix}183&8\\80&33\end{bmatrix}$, $\begin{bmatrix}257&238\\260&189\end{bmatrix}$, $\begin{bmatrix}267&38\\68&309\end{bmatrix}$, $\begin{bmatrix}305&174\\264&23\end{bmatrix}$
Contains $-I$: no $\quad$ (see 312.192.7.ib.2 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 real points and $\Q_p$ points for $p$ not dividing the level, but no known rational points.

Modular covers

The following modular covers realize this modular curve as a fiber product over $X(1)$.

Factor curve Level Index Degree Genus Rank
$X_0(3)$ $3$ $96$ $48$ $0$ $0$
104.96.0-104.x.1.14 $104$ $4$ $4$ $0$ $?$

This modular curve minimally covers the modular curves listed below.

Covered curve Level Index Degree Genus Rank
24.192.3-24.bq.2.47 $24$ $2$ $2$ $3$ $0$
104.96.0-104.x.1.14 $104$ $4$ $4$ $0$ $?$
312.192.3-24.bq.2.63 $312$ $2$ $2$ $3$ $?$
312.192.3-312.ew.1.67 $312$ $2$ $2$ $3$ $?$
312.192.3-312.ew.1.121 $312$ $2$ $2$ $3$ $?$
312.192.3-312.gd.1.13 $312$ $2$ $2$ $3$ $?$
312.192.3-312.gd.1.31 $312$ $2$ $2$ $3$ $?$