Properties

Label 60.240.9-60.dm.1.7
Level $60$
Index $240$
Genus $9$
Analytic rank $2$
Cusps $4$
$\Q$-cusps $4$

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Invariants

Level: $60$ $\SL_2$-level: $60$ Newform level: $1800$
Index: $240$ $\PSL_2$-index:$120$
Genus: $9 = 1 + \frac{ 120 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 4 }{2}$
Cusps: $4$ (all of which are rational) Cusp widths $10\cdot20\cdot30\cdot60$ Cusp orbits $1^{4}$
Elliptic points: $0$ of order $2$ and $0$ of order $3$
Analytic rank: $2$
$\Q$-gonality: $3 \le \gamma \le 4$
$\overline{\Q}$-gonality: $3 \le \gamma \le 4$
Rational cusps: $4$
Rational CM points: none

Other labels

Cummins and Pauli (CP) label: 60B9
Rouse, Sutherland, and Zureick-Brown (RSZB) label: 60.240.9.308

Level structure

$\GL_2(\Z/60\Z)$-generators: $\begin{bmatrix}23&21\\28&19\end{bmatrix}$, $\begin{bmatrix}29&0\\20&43\end{bmatrix}$, $\begin{bmatrix}31&48\\58&1\end{bmatrix}$, $\begin{bmatrix}43&12\\28&23\end{bmatrix}$
Contains $-I$: no $\quad$ (see 60.120.9.dm.1 for the level structure with $-I$)
Cyclic 60-isogeny field degree: $12$
Cyclic 60-torsion field degree: $192$
Full 60-torsion field degree: $9216$

Jacobian

Conductor: $2^{17}\cdot3^{12}\cdot5^{18}$
Simple: no
Squarefree: no
Decomposition: $1^{9}$
Newforms: 50.2.a.b$^{2}$, 75.2.a.a$^{2}$, 1800.2.a.a, 1800.2.a.m, 1800.2.a.r$^{2}$, 1800.2.a.t

Models

Canonical model in $\mathbb{P}^{ 8 }$ defined by 21 equations

$ 0 $ $=$ $ x v - y t + z t $
$=$ $t^{2} + t u + t s + v r$
$=$ $x r + x s + y t - z r$
$=$ $x t + x u - x r - y t + y r$
$=$$\cdots$
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Singular plane model Singular plane model

$ 0 $ $=$ $ 4 x^{4} z^{10} - 300 x^{3} y^{4} z^{7} + 260 x^{3} y^{2} z^{9} - 32 x^{3} z^{11} - 28125 x^{2} y^{8} z^{4} + \cdots + 64 z^{14} $
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Rational points

This modular curve has 4 rational cusps but no known non-cuspidal rational points. The following are the coordinates of the rational cusps on this modular curve.

Canonical model
$(0:0:0:0:0:0:1:0:0)$, $(0:0:0:0:0:-1:0:2:1)$, $(0:0:0:0:0:-1:-2:0:1)$, $(0:0:0:0:0:-1:0:-1:1)$

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 30.60.4.b.1 :

$\displaystyle X$ $=$ $\displaystyle -x$
$\displaystyle Y$ $=$ $\displaystyle y$
$\displaystyle Z$ $=$ $\displaystyle x-y-z$
$\displaystyle W$ $=$ $\displaystyle -w$

Equation of the image curve:

$0$ $=$ $ X^{2}-4XY+XZ+3YZ-XW+2W^{2} $
$=$ $ X^{3}-X^{2}Y+X^{2}Z-2XYZ-Y^{2}Z+YZ^{2}-2X^{2}W-XYW-XZW+XW^{2}+ZW^{2} $

Map of degree 1 from the canonical model of this modular curve to the plane model of the modular curve 60.120.9.dm.1 :

$\displaystyle X$ $=$ $\displaystyle s$
$\displaystyle Y$ $=$ $\displaystyle w$
$\displaystyle Z$ $=$ $\displaystyle t$

Equation of the image curve:

$0$ $=$ $ 18984375Y^{14}+1265625XY^{12}Z-18984375Y^{12}Z^{2}-1518750XY^{10}Z^{3}-28125X^{2}Y^{8}Z^{4}+7931250Y^{10}Z^{4}+523125XY^{8}Z^{5}+1500X^{2}Y^{6}Z^{6}-1653750Y^{8}Z^{6}-300X^{3}Y^{4}Z^{7}-51750XY^{6}Z^{7}+4825X^{2}Y^{4}Z^{8}+148875Y^{6}Z^{8}+260X^{3}Y^{2}Z^{9}-9850XY^{4}Z^{9}+4X^{4}Z^{10}-1380X^{2}Y^{2}Z^{10}+3025Y^{4}Z^{10}-32X^{3}Z^{11}+2400XY^{2}Z^{11}+96X^{2}Z^{12}-1360Y^{2}Z^{12}-128XZ^{13}+64Z^{14} $

Modular covers

This modular curve minimally covers the modular curves listed below.

Covered curve Level Index Degree Genus Rank Kernel decomposition
60.48.1-60.v.1.9 $60$ $5$ $5$ $1$ $1$ $1^{8}$
60.120.4-30.b.1.2 $60$ $2$ $2$ $4$ $0$ $1^{5}$
60.120.4-30.b.1.5 $60$ $2$ $2$ $4$ $0$ $1^{5}$

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

Covering curve Level Index Degree Genus Rank Kernel decomposition
60.480.17-60.h.1.14 $60$ $2$ $2$ $17$ $3$ $1^{8}$
60.480.17-60.l.1.6 $60$ $2$ $2$ $17$ $3$ $1^{8}$
60.480.17-60.z.1.3 $60$ $2$ $2$ $17$ $3$ $1^{8}$
60.480.17-60.ba.1.6 $60$ $2$ $2$ $17$ $3$ $1^{8}$
60.480.17-60.ie.1.2 $60$ $2$ $2$ $17$ $3$ $1^{8}$
60.480.17-60.if.1.2 $60$ $2$ $2$ $17$ $9$ $1^{8}$
60.480.17-60.ii.1.7 $60$ $2$ $2$ $17$ $9$ $1^{8}$
60.480.17-60.ij.1.4 $60$ $2$ $2$ $17$ $3$ $1^{8}$
60.720.25-60.uz.1.8 $60$ $3$ $3$ $25$ $6$ $1^{16}$
60.720.27-60.rp.1.6 $60$ $3$ $3$ $27$ $8$ $1^{18}$
60.960.33-60.pi.1.16 $60$ $4$ $4$ $33$ $8$ $1^{24}$
120.480.17-120.js.1.3 $120$ $2$ $2$ $17$ $?$ not computed
120.480.17-120.ql.1.3 $120$ $2$ $2$ $17$ $?$ not computed
120.480.17-120.bqt.1.3 $120$ $2$ $2$ $17$ $?$ not computed
120.480.17-120.bqw.1.3 $120$ $2$ $2$ $17$ $?$ not computed
120.480.17-120.dtv.1.5 $120$ $2$ $2$ $17$ $?$ not computed
120.480.17-120.dty.1.5 $120$ $2$ $2$ $17$ $?$ not computed
120.480.17-120.duh.1.3 $120$ $2$ $2$ $17$ $?$ not computed
120.480.17-120.duk.1.3 $120$ $2$ $2$ $17$ $?$ not computed