Properties

Label 280.24.0.ei.1
Level $280$
Index $24$
Genus $0$
Cusps $6$
$\Q$-cusps $2$

Related objects

Downloads

Learn more

Invariants

Level: $280$ $\SL_2$-level: $8$
Index: $24$ $\PSL_2$-index:$24$
Genus: $0 = 1 + \frac{ 24 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 6 }{2}$
Cusps: $6$ (of which $2$ are rational) Cusp widths $1^{2}\cdot2\cdot4\cdot8^{2}$ Cusp orbits $1^{2}\cdot2^{2}$
Elliptic points: $0$ of order $2$ and $0$ of order $3$
$\Q$-gonality: $1$
$\overline{\Q}$-gonality: $1$
Rational cusps: $2$
Rational CM points: none

Other labels

Cummins and Pauli (CP) label: 8I0

Level structure

$\GL_2(\Z/280\Z)$-generators: $\begin{bmatrix}20&49\\221&200\end{bmatrix}$, $\begin{bmatrix}100&279\\23&228\end{bmatrix}$, $\begin{bmatrix}118&157\\275&256\end{bmatrix}$, $\begin{bmatrix}170&157\\139&252\end{bmatrix}$, $\begin{bmatrix}206&171\\165&12\end{bmatrix}$, $\begin{bmatrix}256&75\\153&178\end{bmatrix}$
Contains $-I$: yes
Quadratic refinements: 280.48.0-280.ei.1.1, 280.48.0-280.ei.1.2, 280.48.0-280.ei.1.3, 280.48.0-280.ei.1.4, 280.48.0-280.ei.1.5, 280.48.0-280.ei.1.6, 280.48.0-280.ei.1.7, 280.48.0-280.ei.1.8, 280.48.0-280.ei.1.9, 280.48.0-280.ei.1.10, 280.48.0-280.ei.1.11, 280.48.0-280.ei.1.12, 280.48.0-280.ei.1.13, 280.48.0-280.ei.1.14, 280.48.0-280.ei.1.15, 280.48.0-280.ei.1.16, 280.48.0-280.ei.1.17, 280.48.0-280.ei.1.18, 280.48.0-280.ei.1.19, 280.48.0-280.ei.1.20, 280.48.0-280.ei.1.21, 280.48.0-280.ei.1.22, 280.48.0-280.ei.1.23, 280.48.0-280.ei.1.24, 280.48.0-280.ei.1.25, 280.48.0-280.ei.1.26, 280.48.0-280.ei.1.27, 280.48.0-280.ei.1.28, 280.48.0-280.ei.1.29, 280.48.0-280.ei.1.30, 280.48.0-280.ei.1.31, 280.48.0-280.ei.1.32
Cyclic 280-isogeny field degree: $48$
Cyclic 280-torsion field degree: $4608$
Full 280-torsion field degree: $61931520$

Models

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

Rational points

This modular curve has infinitely many rational points but none with conductor small enough to be contained within the database of elliptic curves over $\Q$.

Modular covers

This modular curve minimally covers the modular curves listed below.

Covered curve Level Index Degree Genus Rank
$X_0(8)$ $8$ $2$ $2$ $0$ $0$

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

Covering curve Level Index Degree Genus
280.48.0.cx.2 $280$ $2$ $2$ $0$
280.48.0.da.1 $280$ $2$ $2$ $0$
280.48.0.db.1 $280$ $2$ $2$ $0$
280.48.0.dc.1 $280$ $2$ $2$ $0$
280.48.0.de.2 $280$ $2$ $2$ $0$
280.48.0.dh.1 $280$ $2$ $2$ $0$
280.48.0.dj.1 $280$ $2$ $2$ $0$
280.48.0.dk.1 $280$ $2$ $2$ $0$
280.48.0.do.2 $280$ $2$ $2$ $0$
280.48.0.dr.1 $280$ $2$ $2$ $0$
280.48.0.dt.1 $280$ $2$ $2$ $0$
280.48.0.du.1 $280$ $2$ $2$ $0$
280.48.0.dw.2 $280$ $2$ $2$ $0$
280.48.0.ed.1 $280$ $2$ $2$ $0$
280.48.0.eh.1 $280$ $2$ $2$ $0$
280.48.0.ei.1 $280$ $2$ $2$ $0$
280.120.8.gd.2 $280$ $5$ $5$ $8$
280.144.7.ku.1 $280$ $6$ $6$ $7$
280.192.11.my.1 $280$ $8$ $8$ $11$
280.240.15.ob.1 $280$ $10$ $10$ $15$