Properties

Label 120.240.7-60.f.1.4
Level $120$
Index $240$
Genus $7$
Cusps $8$
$\Q$-cusps $0$

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Invariants

Level: $120$ $\SL_2$-level: $20$ Newform level: $3600$
Index: $240$ $\PSL_2$-index:$120$
Genus: $7 = 1 + \frac{ 120 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 8 }{2}$
Cusps: $8$ (none of which are rational) Cusp widths $10^{4}\cdot20^{4}$ Cusp orbits $2^{2}\cdot4$
Elliptic points: $0$ of order $2$ and $0$ of order $3$
Analytic rank: not computed
$\Q$-gonality: $3 \le \gamma \le 12$
$\overline{\Q}$-gonality: $3 \le \gamma \le 7$
Rational cusps: $0$
Rational CM points: none

Other labels

Cummins and Pauli (CP) label: 20B7

Level structure

$\GL_2(\Z/120\Z)$-generators: $\begin{bmatrix}5&44\\34&53\end{bmatrix}$, $\begin{bmatrix}11&18\\68&17\end{bmatrix}$, $\begin{bmatrix}43&90\\0&103\end{bmatrix}$, $\begin{bmatrix}85&88\\42&85\end{bmatrix}$, $\begin{bmatrix}93&118\\68&17\end{bmatrix}$, $\begin{bmatrix}101&60\\110&71\end{bmatrix}$
Contains $-I$: no $\quad$ (see 60.120.7.f.1 for the level structure with $-I$)
Cyclic 120-isogeny field degree: $96$
Cyclic 120-torsion field degree: $3072$
Full 120-torsion field degree: $147456$

Models

Canonical model in $\mathbb{P}^{ 6 }$ defined by 10 equations

$ 0 $ $=$ $ x w - x t - x v - y u $
$=$ $x w + x t + y u - z u$
$=$ $2 y w - y v - z w + z t + z v$
$=$ $3 x z - 6 y z - 3 z^{2} - 2 w t + 2 w v + u v - v^{2}$
$=$$\cdots$
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Singular plane model Singular plane model

$ 0 $ $=$ $ 1822500 x^{12} - 1701000 x^{10} y^{2} + 850500 x^{10} y z + 212625 x^{10} z^{2} + 396900 x^{8} y^{4} + \cdots + y^{2} z^{10} $
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Rational points

This modular curve has real points and $\Q_p$ points for $p$ not dividing the level, but no known 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 10.60.3.a.1 :

$\displaystyle X$ $=$ $\displaystyle -x-3y+z$
$\displaystyle Y$ $=$ $\displaystyle -3x+y-2z$
$\displaystyle Z$ $=$ $\displaystyle -2x-y+2z$

Equation of the image curve:

$0$ $=$ $ 2X^{4}-3X^{3}Y-5X^{2}Y^{2}-4XY^{3}-2Y^{4}+3X^{3}Z-18X^{2}YZ-17XY^{2}Z+4Y^{3}Z-5X^{2}Z^{2}+17XYZ^{2}-6Y^{2}Z^{2}+4XZ^{3}+4YZ^{3}-2Z^{4} $

Map of degree 1 from the canonical model of this modular curve to the plane model of the modular curve 60.120.7.f.1 :

$\displaystyle X$ $=$ $\displaystyle x$
$\displaystyle Y$ $=$ $\displaystyle \frac{1}{2}v$
$\displaystyle Z$ $=$ $\displaystyle u$

Equation of the image curve:

$0$ $=$ $ 1822500X^{12}-1701000X^{10}Y^{2}+396900X^{8}Y^{4}+850500X^{10}YZ-396900X^{8}Y^{3}Z+212625X^{10}Z^{2}-390825X^{8}Y^{2}Z^{2}+280800X^{6}Y^{4}Z^{2}+245025X^{8}YZ^{3}-280800X^{6}Y^{3}Z^{3}-18225X^{8}Z^{4}+60750X^{6}Y^{2}Z^{4}+19800X^{4}Y^{4}Z^{4}+4725X^{6}YZ^{5}-19800X^{4}Y^{3}Z^{5}-2025X^{6}Z^{6}+5940X^{4}Y^{2}Z^{6}+480X^{2}Y^{4}Z^{6}-495X^{4}YZ^{7}-480X^{2}Y^{3}Z^{7}-45X^{4}Z^{8}+150X^{2}Y^{2}Z^{8}+4Y^{4}Z^{8}-15X^{2}YZ^{9}-4Y^{3}Z^{9}+Y^{2}Z^{10} $

Modular covers

This modular curve minimally covers the modular curves listed below.

Covered curve Level Index Degree Genus Rank
40.120.3-10.a.1.2 $40$ $2$ $2$ $3$ $0$
120.120.3-10.a.1.4 $120$ $2$ $2$ $3$ $?$

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

Covering curve Level Index Degree Genus
120.480.13-60.m.1.4 $120$ $2$ $2$ $13$
120.480.13-60.p.1.4 $120$ $2$ $2$ $13$
120.480.13-60.q.1.8 $120$ $2$ $2$ $13$
120.480.13-60.t.1.7 $120$ $2$ $2$ $13$
120.480.13-60.y.1.8 $120$ $2$ $2$ $13$
120.480.13-60.bb.1.6 $120$ $2$ $2$ $13$
120.480.13-60.bc.1.2 $120$ $2$ $2$ $13$
120.480.13-60.bf.1.26 $120$ $2$ $2$ $13$
120.480.13-120.bm.1.3 $120$ $2$ $2$ $13$
120.480.13-120.bv.1.11 $120$ $2$ $2$ $13$
120.480.13-120.by.1.5 $120$ $2$ $2$ $13$
120.480.13-120.ch.1.7 $120$ $2$ $2$ $13$
120.480.13-120.cw.1.5 $120$ $2$ $2$ $13$
120.480.13-120.df.1.1 $120$ $2$ $2$ $13$
120.480.13-120.di.1.15 $120$ $2$ $2$ $13$
120.480.13-120.dr.1.7 $120$ $2$ $2$ $13$
120.480.15-60.l.1.2 $120$ $2$ $2$ $15$
120.480.15-60.l.1.3 $120$ $2$ $2$ $15$
120.480.15-60.m.1.3 $120$ $2$ $2$ $15$
120.480.15-60.m.1.6 $120$ $2$ $2$ $15$
120.480.15-60.o.1.4 $120$ $2$ $2$ $15$
120.480.15-60.o.1.7 $120$ $2$ $2$ $15$
120.480.15-60.p.1.4 $120$ $2$ $2$ $15$
120.480.15-60.p.1.16 $120$ $2$ $2$ $15$
120.480.15-60.z.1.7 $120$ $2$ $2$ $15$
120.480.15-60.z.1.12 $120$ $2$ $2$ $15$
120.480.15-60.ba.1.11 $120$ $2$ $2$ $15$
120.480.15-60.ba.1.12 $120$ $2$ $2$ $15$
120.480.15-60.bh.1.8 $120$ $2$ $2$ $15$
120.480.15-60.bh.1.16 $120$ $2$ $2$ $15$
120.480.15-60.bi.1.2 $120$ $2$ $2$ $15$
120.480.15-60.bi.1.3 $120$ $2$ $2$ $15$
120.480.15-120.bt.1.23 $120$ $2$ $2$ $15$
120.480.15-120.bt.1.30 $120$ $2$ $2$ $15$
120.480.15-120.bw.1.14 $120$ $2$ $2$ $15$
120.480.15-120.bw.1.25 $120$ $2$ $2$ $15$
120.480.15-120.cb.1.11 $120$ $2$ $2$ $15$
120.480.15-120.cb.1.32 $120$ $2$ $2$ $15$
120.480.15-120.ce.1.4 $120$ $2$ $2$ $15$
120.480.15-120.ce.1.27 $120$ $2$ $2$ $15$
120.480.15-120.dg.1.12 $120$ $2$ $2$ $15$
120.480.15-120.dg.1.19 $120$ $2$ $2$ $15$
120.480.15-120.dj.1.15 $120$ $2$ $2$ $15$
120.480.15-120.dj.1.28 $120$ $2$ $2$ $15$
120.480.15-120.ee.1.10 $120$ $2$ $2$ $15$
120.480.15-120.ee.1.29 $120$ $2$ $2$ $15$
120.480.15-120.eh.1.21 $120$ $2$ $2$ $15$
120.480.15-120.eh.1.32 $120$ $2$ $2$ $15$