Invariants
Level: | $312$ | $\SL_2$-level: | $12$ | Newform level: | $1$ | ||
Index: | $192$ | $\PSL_2$-index: | $96$ | ||||
Genus: | $3 = 1 + \frac{ 96 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 12 }{2}$ | ||||||
Cusps: | $12$ (none of which are rational) | Cusp widths | $4^{6}\cdot12^{6}$ | Cusp orbits | $2^{6}$ | ||
Elliptic points: | $0$ of order $2$ and $0$ of order $3$ | ||||||
Analytic rank: | not computed | ||||||
$\Q$-gonality: | $2 \le \gamma \le 4$ | ||||||
$\overline{\Q}$-gonality: | $2 \le \gamma \le 3$ | ||||||
Rational cusps: | $0$ | ||||||
Rational CM points: | none |
Other labels
Cummins and Pauli (CP) label: | 12L3 |
Level structure
$\GL_2(\Z/312\Z)$-generators: | $\begin{bmatrix}57&242\\238&149\end{bmatrix}$, $\begin{bmatrix}115&276\\132&13\end{bmatrix}$, $\begin{bmatrix}145&218\\96&131\end{bmatrix}$, $\begin{bmatrix}185&58\\134&129\end{bmatrix}$, $\begin{bmatrix}277&42\\48&175\end{bmatrix}$ |
Contains $-I$: | no $\quad$ (see 312.96.3.gj.2 for the level structure with $-I$) |
Cyclic 312-isogeny field degree: | $56$ |
Cyclic 312-torsion field degree: | $5376$ |
Full 312-torsion field degree: | $10063872$ |
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 |
---|---|---|---|---|---|
3.8.0-3.a.1.1 | $3$ | $24$ | $24$ | $0$ | $0$ |
104.24.0-104.b.1.8 | $104$ | $8$ | $8$ | $0$ | $?$ |
This modular curve minimally covers the modular curves listed below.
Covered curve | Level | Index | Degree | Genus | Rank |
---|---|---|---|---|---|
12.96.2-12.a.2.8 | $12$ | $2$ | $2$ | $2$ | $0$ |
312.96.0-312.o.2.16 | $312$ | $2$ | $2$ | $0$ | $?$ |
312.96.0-312.o.2.59 | $312$ | $2$ | $2$ | $0$ | $?$ |
312.96.1-312.dh.1.8 | $312$ | $2$ | $2$ | $1$ | $?$ |
312.96.1-312.dh.1.17 | $312$ | $2$ | $2$ | $1$ | $?$ |
312.96.2-12.a.2.5 | $312$ | $2$ | $2$ | $2$ | $?$ |
This modular curve is minimally covered by the modular curves in the database listed below.
Covering curve | Level | Index | Degree | Genus |
---|---|---|---|---|
312.384.5-312.oh.2.12 | $312$ | $2$ | $2$ | $5$ |
312.384.5-312.oi.3.8 | $312$ | $2$ | $2$ | $5$ |
312.384.5-312.oi.4.8 | $312$ | $2$ | $2$ | $5$ |
312.384.5-312.on.3.15 | $312$ | $2$ | $2$ | $5$ |
312.384.5-312.on.4.4 | $312$ | $2$ | $2$ | $5$ |
312.384.5-312.oo.3.6 | $312$ | $2$ | $2$ | $5$ |
312.384.5-312.oo.4.8 | $312$ | $2$ | $2$ | $5$ |
312.384.5-312.ps.2.7 | $312$ | $2$ | $2$ | $5$ |
312.384.5-312.ps.4.8 | $312$ | $2$ | $2$ | $5$ |
312.384.5-312.pu.2.8 | $312$ | $2$ | $2$ | $5$ |
312.384.5-312.pu.3.6 | $312$ | $2$ | $2$ | $5$ |
312.384.5-312.qg.2.8 | $312$ | $2$ | $2$ | $5$ |
312.384.5-312.qg.3.8 | $312$ | $2$ | $2$ | $5$ |
312.384.5-312.qi.1.8 | $312$ | $2$ | $2$ | $5$ |
312.384.5-312.qi.2.8 | $312$ | $2$ | $2$ | $5$ |