Properties

Label 328.48.0.j.2
Level $328$
Index $48$
Genus $0$
Cusps $10$
$\Q$-cusps $0$

Related objects

Downloads

Learn more

Invariants

Level: $328$ $\SL_2$-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

$\GL_2(\Z/328\Z)$-generators: $\begin{bmatrix}7&100\\208&175\end{bmatrix}$, $\begin{bmatrix}61&184\\108&91\end{bmatrix}$, $\begin{bmatrix}123&192\\16&317\end{bmatrix}$, $\begin{bmatrix}235&316\\158&285\end{bmatrix}$, $\begin{bmatrix}327&28\\228&269\end{bmatrix}$
Contains $-I$: yes
Quadratic refinements: 328.96.0-328.j.2.1, 328.96.0-328.j.2.2, 328.96.0-328.j.2.3, 328.96.0-328.j.2.4, 328.96.0-328.j.2.5, 328.96.0-328.j.2.6, 328.96.0-328.j.2.7, 328.96.0-328.j.2.8, 328.96.0-328.j.2.9, 328.96.0-328.j.2.10, 328.96.0-328.j.2.11, 328.96.0-328.j.2.12, 328.96.0-328.j.2.13, 328.96.0-328.j.2.14, 328.96.0-328.j.2.15, 328.96.0-328.j.2.16
Cyclic 328-isogeny field degree: $84$
Cyclic 328-torsion field degree: $13440$
Full 328-torsion field degree: $88166400$

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 $8$ $2$ $2$ $0$ $0$
164.24.0.c.1 $164$ $2$ $2$ $0$ $?$
328.24.0.i.1 $328$ $2$ $2$ $0$ $?$

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

Covering curve Level Index Degree Genus
328.96.1.c.1 $328$ $2$ $2$ $1$
328.96.1.t.1 $328$ $2$ $2$ $1$
328.96.1.ba.1 $328$ $2$ $2$ $1$
328.96.1.be.1 $328$ $2$ $2$ $1$
328.96.1.bs.1 $328$ $2$ $2$ $1$
328.96.1.bw.1 $328$ $2$ $2$ $1$
328.96.1.ca.1 $328$ $2$ $2$ $1$
328.96.1.cc.1 $328$ $2$ $2$ $1$