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 | $1^{4}\cdot2^{2}\cdot4^{2}\cdot16^{2}$ | 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: | 16H0 |
Level structure
$\GL_2(\Z/240\Z)$-generators: | $\begin{bmatrix}10&169\\183&76\end{bmatrix}$, $\begin{bmatrix}38&27\\75&46\end{bmatrix}$, $\begin{bmatrix}64&127\\155&204\end{bmatrix}$, $\begin{bmatrix}131&40\\56&147\end{bmatrix}$, $\begin{bmatrix}229&150\\126&109\end{bmatrix}$ |
Contains $-I$: | no $\quad$ (see 240.48.0.eu.2 for the level structure with $-I$) |
Cyclic 240-isogeny field degree: | $24$ |
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 |
---|---|---|---|---|---|
48.48.0-16.g.1.15 | $48$ | $2$ | $2$ | $0$ | $0$ |
80.48.0-16.g.1.2 | $80$ | $2$ | $2$ | $0$ | $?$ |
120.48.0-120.ei.1.19 | $120$ | $2$ | $2$ | $0$ | $?$ |
240.48.0-240.m.2.5 | $240$ | $2$ | $2$ | $0$ | $?$ |
240.48.0-240.m.2.22 | $240$ | $2$ | $2$ | $0$ | $?$ |
240.48.0-120.ei.1.8 | $240$ | $2$ | $2$ | $0$ | $?$ |
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.v.1.6 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.cc.2.10 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.ee.2.7 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.ex.2.10 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.vh.2.8 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.vk.2.13 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.vw.1.4 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.wb.2.13 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.bbl.2.16 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.bbo.2.12 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.bca.1.8 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.bcf.2.12 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.bcv.2.8 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.bcy.2.11 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.bdw.1.7 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.bej.2.11 | $240$ | $2$ | $2$ | $1$ |
240.288.8-240.yu.1.55 | $240$ | $3$ | $3$ | $8$ |
240.384.7-240.bdd.2.13 | $240$ | $4$ | $4$ | $7$ |
240.480.16-240.go.1.20 | $240$ | $5$ | $5$ | $16$ |