Invariants
Level: | $240$ | $\SL_2$-level: | $16$ | ||||
Index: | $96$ | $\PSL_2$-index: | $48$ | ||||
Genus: | $0 = 1 + \frac{ 48 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 10 }{2}$ | ||||||
Cusps: | $10$ (of which $2$ are rational) | Cusp widths | $2^{4}\cdot4^{2}\cdot8^{4}$ | Cusp orbits | $1^{2}\cdot2^{2}\cdot4$ | ||
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: | 8O0 |
Level structure
$\GL_2(\Z/240\Z)$-generators: | $\begin{bmatrix}161&32\\191&195\end{bmatrix}$, $\begin{bmatrix}161&128\\76&237\end{bmatrix}$, $\begin{bmatrix}177&128\\32&77\end{bmatrix}$, $\begin{bmatrix}209&32\\229&41\end{bmatrix}$, $\begin{bmatrix}239&72\\115&37\end{bmatrix}$ |
Contains $-I$: | no $\quad$ (see 120.48.0.eo.1 for the level structure with $-I$) |
Cyclic 240-isogeny field degree: | $48$ |
Cyclic 240-torsion field degree: | $1536$ |
Full 240-torsion field degree: | $5898240$ |
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 |
---|---|---|---|---|---|
16.48.0-8.bb.2.8 | $16$ | $2$ | $2$ | $0$ | $0$ |
240.48.0-8.bb.2.2 | $240$ | $2$ | $2$ | $0$ | $?$ |
240.48.0-120.dh.1.3 | $240$ | $2$ | $2$ | $0$ | $?$ |
240.48.0-120.dh.1.12 | $240$ | $2$ | $2$ | $0$ | $?$ |
240.48.0-120.ei.1.2 | $240$ | $2$ | $2$ | $0$ | $?$ |
240.48.0-120.ei.1.14 | $240$ | $2$ | $2$ | $0$ | $?$ |
This modular curve is minimally covered by the modular curves in the database listed below.
Covering curve | Level | Index | Degree | Genus |
---|---|---|---|---|
240.192.1-240.kc.2.1 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.ki.1.1 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.ks.1.1 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.ky.2.1 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.uk.2.1 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.um.1.1 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.us.1.1 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.uu.2.1 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.bao.1.1 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.baq.2.1 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.baw.2.1 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.bay.1.1 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.bdw.1.1 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.bec.2.1 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.bem.2.1 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.bes.1.1 | $240$ | $2$ | $2$ | $1$ |
240.288.8-120.tn.2.2 | $240$ | $3$ | $3$ | $8$ |
240.384.7-120.my.2.15 | $240$ | $4$ | $4$ | $7$ |
240.480.16-120.gj.2.5 | $240$ | $5$ | $5$ | $16$ |