Properties

Label 312.192.3-312.gj.2.8
Level $312$
Index $192$
Genus $3$
Cusps $12$
$\Q$-cusps $0$

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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 $312$ $2$ $2$ $5$