Invariants
Level: | $60$ | $\SL_2$-level: | $20$ | Newform level: | $720$ | ||
Index: | $192$ | $\PSL_2$-index: | $96$ | ||||
Genus: | $5 = 1 + \frac{ 96 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 8 }{2}$ | ||||||
Cusps: | $8$ (none of which are rational) | Cusp widths | $4^{4}\cdot20^{4}$ | Cusp orbits | $2^{2}\cdot4$ | ||
Elliptic points: | $0$ of order $2$ and $0$ of order $3$ | ||||||
Analytic rank: | $0$ | ||||||
$\Q$-gonality: | $4$ | ||||||
$\overline{\Q}$-gonality: | $4$ | ||||||
Rational cusps: | $0$ | ||||||
Rational CM points: | none |
Other labels
Cummins and Pauli (CP) label: | 20D5 |
Rouse, Sutherland, and Zureick-Brown (RSZB) label: | 60.192.5.393 |
Level structure
$\GL_2(\Z/60\Z)$-generators: | $\begin{bmatrix}11&40\\3&17\end{bmatrix}$, $\begin{bmatrix}41&5\\55&38\end{bmatrix}$, $\begin{bmatrix}49&5\\42&47\end{bmatrix}$ |
Contains $-I$: | no $\quad$ (see 60.96.5.x.1 for the level structure with $-I$) |
Cyclic 60-isogeny field degree: | $24$ |
Cyclic 60-torsion field degree: | $384$ |
Full 60-torsion field degree: | $11520$ |
Jacobian
Conductor: | $2^{18}\cdot3^{4}\cdot5^{5}$ |
Simple: | no |
Squarefree: | yes |
Decomposition: | $1^{3}\cdot2$ |
Newforms: | 80.2.a.a, 80.2.c.a, 180.2.a.a, 720.2.a.h |
Models
Canonical model in $\mathbb{P}^{ 4 }$ defined by 3 equations
$ 0 $ | $=$ | $ x^{2} + x y + x z + 2 x w - y^{2} - 2 y z - y w - z^{2} - z w - w^{2} $ |
$=$ | $5 x^{2} + y^{2} + 3 y z - y t + z^{2} + z t$ | |
$=$ | $2 x^{2} + 2 x y + 2 x z + 4 x w + y^{2} + 3 y w - y t + z^{2} + 3 z w + z t + 3 w^{2} + 3 t^{2}$ |
Singular plane model Singular plane model
$ 0 $ | $=$ | $ 245025 x^{8} + 133650 x^{7} y + 33075 x^{6} y^{2} + 9315 x^{6} z^{2} + 4050 x^{5} y^{3} + 5940 x^{5} y z^{2} + \cdots + z^{8} $ |
Rational points
This modular curve has no real points, and therefore no rational points.
Maps to other modular curves
Map of degree 2 from the canonical model of this modular curve to the canonical model of the modular curve 20.48.3.i.2 :
$\displaystyle X$ | $=$ | $\displaystyle -2y-3z-3t$ |
$\displaystyle Y$ | $=$ | $\displaystyle -y-4z+t$ |
$\displaystyle Z$ | $=$ | $\displaystyle 2y-2z-2t$ |
Equation of the image curve:
$0$ | $=$ | $ 6X^{3}Y-22X^{2}Y^{2}+6XY^{3}+12X^{2}YZ+14XY^{2}Z-6Y^{3}Z-3X^{2}Z^{2}-2XYZ^{2}+5Y^{2}Z^{2}-10YZ^{3}+2Z^{4} $ |
Map of degree 1 from the canonical model of this modular curve to the plane model of the modular curve 60.96.5.x.1 :
$\displaystyle X$ | $=$ | $\displaystyle x$ |
$\displaystyle Y$ | $=$ | $\displaystyle 3w$ |
$\displaystyle Z$ | $=$ | $\displaystyle 3t$ |
Equation of the image curve:
$0$ | $=$ | $ 245025X^{8}+133650X^{7}Y+33075X^{6}Y^{2}+4050X^{5}Y^{3}+225X^{4}Y^{4}+9315X^{6}Z^{2}+5940X^{5}YZ^{2}+1755X^{4}Y^{2}Z^{2}+360X^{3}Y^{3}Z^{2}+30X^{2}Y^{4}Z^{2}+1296X^{4}Z^{4}+414X^{3}YZ^{4}+33X^{2}Y^{2}Z^{4}+6XY^{3}Z^{4}+Y^{4}Z^{4}+27X^{2}Z^{6}+12XYZ^{6}+Y^{2}Z^{6}+Z^{8} $ |
Modular covers
This modular curve minimally covers the modular curves listed below.
Covered curve | Level | Index | Degree | Genus | Rank | Kernel decomposition |
---|---|---|---|---|---|---|
20.96.3-20.i.2.6 | $20$ | $2$ | $2$ | $3$ | $0$ | $1^{2}$ |
60.48.1-60.k.2.4 | $60$ | $4$ | $4$ | $1$ | $0$ | $1^{2}\cdot2$ |
60.96.3-20.i.2.7 | $60$ | $2$ | $2$ | $3$ | $0$ | $1^{2}$ |
This modular curve is minimally covered by the modular curves in the database listed below.
Covering curve | Level | Index | Degree | Genus | Rank | Kernel decomposition |
---|---|---|---|---|---|---|
60.576.13-60.kj.2.8 | $60$ | $3$ | $3$ | $13$ | $1$ | $1^{4}\cdot2^{2}$ |
60.576.21-60.ey.1.9 | $60$ | $3$ | $3$ | $21$ | $3$ | $1^{8}\cdot2^{4}$ |
60.768.25-60.bw.1.12 | $60$ | $4$ | $4$ | $25$ | $1$ | $1^{10}\cdot2^{5}$ |
60.960.29-60.ht.1.8 | $60$ | $5$ | $5$ | $29$ | $4$ | $1^{12}\cdot2^{6}$ |