Properties

Label 312.48.0.bh.2
Level $312$
Index $48$
Genus $0$
Cusps $10$
$\Q$-cusps $0$

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Invariants

Level: $312$ $\SL_2$-level: $8$
Index: $48$ $\PSL_2$-index:$48$
Genus: $0 = 1 + \frac{ 48 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 10 }{2}$
Cusps: $10$ (none of which are rational) Cusp widths $4^{8}\cdot8^{2}$ Cusp orbits $2^{3}\cdot4$
Elliptic points: $0$ of order $2$ and $0$ of order $3$
$\Q$-gonality: $1 \le \gamma \le 2$
$\overline{\Q}$-gonality: $1$
Rational cusps: $0$
Rational CM points: none

Other labels

Cummins and Pauli (CP) label: 8N0

Level structure

$\GL_2(\Z/312\Z)$-generators: $\begin{bmatrix}77&164\\16&123\end{bmatrix}$, $\begin{bmatrix}89&76\\208&291\end{bmatrix}$, $\begin{bmatrix}101&280\\36&251\end{bmatrix}$, $\begin{bmatrix}145&28\\206&237\end{bmatrix}$, $\begin{bmatrix}191&36\\186&121\end{bmatrix}$, $\begin{bmatrix}207&40\\142&155\end{bmatrix}$
Contains $-I$: yes
Quadratic refinements: 312.96.0-312.bh.2.1, 312.96.0-312.bh.2.2, 312.96.0-312.bh.2.3, 312.96.0-312.bh.2.4, 312.96.0-312.bh.2.5, 312.96.0-312.bh.2.6, 312.96.0-312.bh.2.7, 312.96.0-312.bh.2.8, 312.96.0-312.bh.2.9, 312.96.0-312.bh.2.10, 312.96.0-312.bh.2.11, 312.96.0-312.bh.2.12, 312.96.0-312.bh.2.13, 312.96.0-312.bh.2.14, 312.96.0-312.bh.2.15, 312.96.0-312.bh.2.16, 312.96.0-312.bh.2.17, 312.96.0-312.bh.2.18, 312.96.0-312.bh.2.19, 312.96.0-312.bh.2.20, 312.96.0-312.bh.2.21, 312.96.0-312.bh.2.22, 312.96.0-312.bh.2.23, 312.96.0-312.bh.2.24, 312.96.0-312.bh.2.25, 312.96.0-312.bh.2.26, 312.96.0-312.bh.2.27, 312.96.0-312.bh.2.28, 312.96.0-312.bh.2.29, 312.96.0-312.bh.2.30, 312.96.0-312.bh.2.31, 312.96.0-312.bh.2.32
Cyclic 312-isogeny field degree: $112$
Cyclic 312-torsion field degree: $10752$
Full 312-torsion field degree: $40255488$

Models

This modular curve is isomorphic to $\mathbb{P}^1$.

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

This modular curve minimally covers the modular curves listed below.

Covered curve Level Index Degree Genus Rank
8.24.0.d.1 $8$ $2$ $2$ $0$ $0$
312.24.0.e.1 $312$ $2$ $2$ $0$ $?$
312.24.0.t.1 $312$ $2$ $2$ $0$ $?$

This modular curve is minimally covered by the modular curves in the database listed below.

Covering curve Level Index Degree Genus
312.96.1.d.1 $312$ $2$ $2$ $1$
312.96.1.bf.1 $312$ $2$ $2$ $1$
312.96.1.ei.1 $312$ $2$ $2$ $1$
312.96.1.eo.1 $312$ $2$ $2$ $1$
312.96.1.if.1 $312$ $2$ $2$ $1$
312.96.1.ih.1 $312$ $2$ $2$ $1$
312.96.1.ka.1 $312$ $2$ $2$ $1$
312.96.1.kc.1 $312$ $2$ $2$ $1$
312.96.1.mb.1 $312$ $2$ $2$ $1$
312.96.1.md.1 $312$ $2$ $2$ $1$
312.96.1.nw.1 $312$ $2$ $2$ $1$
312.96.1.ny.1 $312$ $2$ $2$ $1$
312.96.1.pb.1 $312$ $2$ $2$ $1$
312.96.1.ph.1 $312$ $2$ $2$ $1$
312.96.1.py.1 $312$ $2$ $2$ $1$
312.96.1.qb.1 $312$ $2$ $2$ $1$
312.144.8.ds.2 $312$ $3$ $3$ $8$
312.192.7.dm.2 $312$ $4$ $4$ $7$