Properties

Label 60.240.8-30.f.1.4
Level $60$
Index $240$
Genus $8$
Analytic rank $0$
Cusps $6$
$\Q$-cusps $2$

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Invariants

Level: $60$ $\SL_2$-level: $60$ Newform level: $300$
Index: $240$ $\PSL_2$-index:$120$
Genus: $8 = 1 + \frac{ 120 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 6 }{2}$
Cusps: $6$ (of which $2$ are rational) Cusp widths $10^{3}\cdot30^{3}$ Cusp orbits $1^{2}\cdot2^{2}$
Elliptic points: $0$ of order $2$ and $0$ of order $3$
Analytic rank: $0$
$\Q$-gonality: $3 \le \gamma \le 5$
$\overline{\Q}$-gonality: $3 \le \gamma \le 5$
Rational cusps: $2$
Rational CM points: none

Other labels

Cummins and Pauli (CP) label: 30B8
Rouse, Sutherland, and Zureick-Brown (RSZB) label: 60.240.8.440

Level structure

$\GL_2(\Z/60\Z)$-generators: $\begin{bmatrix}29&24\\2&13\end{bmatrix}$, $\begin{bmatrix}47&9\\4&7\end{bmatrix}$, $\begin{bmatrix}55&39\\48&5\end{bmatrix}$, $\begin{bmatrix}55&42\\2&25\end{bmatrix}$
Contains $-I$: no $\quad$ (see 30.120.8.f.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: $2^{6}\cdot3^{4}\cdot5^{16}$
Simple: no
Squarefree: no
Decomposition: $1^{8}$
Newforms: 50.2.a.a$^{2}$, 50.2.a.b$^{2}$, 75.2.a.a$^{2}$, 75.2.a.c, 300.2.a.c

Models

Canonical model in $\mathbb{P}^{ 7 }$ defined by 15 equations

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

$ 0 $ $=$ $ 288 x^{11} + 336 x^{10} y - 1056 x^{10} z - 40 x^{9} y^{2} + 128 x^{9} y z + 736 x^{9} z^{2} + \cdots + 96 y^{3} z^{8} $
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Rational points

This modular curve has 2 rational cusps but no known non-cuspidal rational points. The following are the coordinates of the rational cusps on this modular curve.

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

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 :

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

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 30.120.8.f.1 :

$\displaystyle X$ $=$ $\displaystyle x$
$\displaystyle Y$ $=$ $\displaystyle z$
$\displaystyle Z$ $=$ $\displaystyle t$

Equation of the image curve:

$0$ $=$ $ 288X^{11}+336X^{10}Y-1056X^{10}Z-40X^{9}Y^{2}+128X^{9}YZ+736X^{9}Z^{2}-712X^{8}Y^{3}+1164X^{8}Y^{2}Z-2768X^{8}YZ^{2}+736X^{8}Z^{3}-816X^{7}Y^{4}+2050X^{7}Y^{3}Z-598X^{7}Y^{2}Z^{2}+1760X^{7}YZ^{3}-352X^{7}Z^{4}-519X^{6}Y^{5}+626X^{6}Y^{4}Z+41X^{6}Y^{3}Z^{2}-3138X^{6}Y^{2}Z^{3}+2112X^{6}YZ^{4}-288X^{6}Z^{5}-158X^{5}Y^{6}+131X^{5}Y^{5}Z+2301X^{5}Y^{4}Z^{2}-984X^{5}Y^{3}Z^{3}+1076X^{5}Y^{2}Z^{4}-656X^{5}YZ^{5}-192X^{5}Z^{6}-37X^{4}Y^{7}-229X^{4}Y^{6}Z-13X^{4}Y^{5}Z^{2}-1312X^{4}Y^{4}Z^{3}-1736X^{4}Y^{3}Z^{4}+2064X^{4}Y^{2}Z^{5}-480X^{4}YZ^{6}-10X^{3}Y^{8}-91X^{3}Y^{7}Z+118X^{3}Y^{6}Z^{2}+1071X^{3}Y^{5}Z^{3}-318X^{3}Y^{4}Z^{4}+84X^{3}Y^{3}Z^{5}-160X^{3}Y^{2}Z^{6}-384X^{3}YZ^{7}-11X^{2}Y^{9}-60X^{2}Y^{8}Z-187X^{2}Y^{7}Z^{2}-343X^{2}Y^{6}Z^{3}-375X^{2}Y^{5}Z^{4}-494X^{2}Y^{4}Z^{5}+808X^{2}Y^{3}Z^{6}-96X^{2}Y^{2}Z^{7}+33XY^{8}Z^{2}+180XY^{7}Z^{3}+322XY^{6}Z^{4}+138XY^{5}Z^{5}-100XY^{4}Z^{6}+144XY^{3}Z^{7}-192XY^{2}Z^{8}-11Y^{7}Z^{4}-60Y^{6}Z^{5}-96Y^{5}Z^{6}+96Y^{3}Z^{8} $

Modular covers

This modular curve minimally covers the modular curves listed below.

Covered curve Level Index Degree Genus Rank Kernel decomposition
60.48.0-30.a.1.8 $60$ $5$ $5$ $0$ $0$ full Jacobian
60.120.4-30.b.1.2 $60$ $2$ $2$ $4$ $0$ $1^{4}$
60.120.4-30.b.1.11 $60$ $2$ $2$ $4$ $0$ $1^{4}$

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.u.1.6 $60$ $2$ $2$ $17$ $2$ $1^{9}$
60.480.17-60.w.1.6 $60$ $2$ $2$ $17$ $1$ $1^{9}$
60.480.17-60.ih.1.1 $60$ $2$ $2$ $17$ $8$ $1^{9}$
60.480.17-60.ij.1.4 $60$ $2$ $2$ $17$ $3$ $1^{9}$
60.480.17-60.mc.1.4 $60$ $2$ $2$ $17$ $2$ $1^{9}$
60.480.17-60.me.1.4 $60$ $2$ $2$ $17$ $0$ $1^{9}$
60.480.17-60.mk.1.6 $60$ $2$ $2$ $17$ $1$ $1^{9}$
60.480.17-60.mm.1.12 $60$ $2$ $2$ $17$ $5$ $1^{9}$
60.720.22-30.d.1.4 $60$ $3$ $3$ $22$ $0$ $1^{14}$
60.720.25-30.cf.1.3 $60$ $3$ $3$ $25$ $4$ $1^{17}$
60.960.29-30.bc.1.9 $60$ $4$ $4$ $29$ $1$ $1^{21}$
120.480.17-120.bqd.1.7 $120$ $2$ $2$ $17$ $?$ not computed
120.480.17-120.bqj.1.3 $120$ $2$ $2$ $17$ $?$ not computed
120.480.17-120.dud.1.3 $120$ $2$ $2$ $17$ $?$ not computed
120.480.17-120.duj.1.7 $120$ $2$ $2$ $17$ $?$ not computed
120.480.17-120.gfy.1.7 $120$ $2$ $2$ $17$ $?$ not computed
120.480.17-120.gge.1.3 $120$ $2$ $2$ $17$ $?$ not computed
120.480.17-120.ggw.1.3 $120$ $2$ $2$ $17$ $?$ not computed
120.480.17-120.ghc.1.7 $120$ $2$ $2$ $17$ $?$ not computed