Properties

Label 140.72.3.o.1
Level $140$
Index $72$
Genus $3$
Cusps $8$
$\Q$-cusps $4$

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Invariants

Level: $140$ $\SL_2$-level: $20$ Newform level: $1$
Index: $72$ $\PSL_2$-index:$72$
Genus: $3 = 1 + \frac{ 72 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 8 }{2}$
Cusps: $8$ (of which $4$ are rational) Cusp widths $2^{2}\cdot4^{2}\cdot10^{2}\cdot20^{2}$ Cusp orbits $1^{4}\cdot2^{2}$
Elliptic points: $0$ of order $2$ and $0$ of order $3$
Analytic rank: not computed
$\Q$-gonality: $2 \le \gamma \le 3$
$\overline{\Q}$-gonality: $2 \le \gamma \le 3$
Rational cusps: $4$
Rational CM points: none

Other labels

Cummins and Pauli (CP) label: 20J3

Level structure

$\GL_2(\Z/140\Z)$-generators: $\begin{bmatrix}21&80\\69&37\end{bmatrix}$, $\begin{bmatrix}27&120\\13&107\end{bmatrix}$, $\begin{bmatrix}37&40\\70&57\end{bmatrix}$, $\begin{bmatrix}97&120\\129&127\end{bmatrix}$, $\begin{bmatrix}119&120\\34&93\end{bmatrix}$
Contains $-I$: yes
Quadratic refinements: 140.144.3-140.o.1.1, 140.144.3-140.o.1.2, 140.144.3-140.o.1.3, 140.144.3-140.o.1.4, 140.144.3-140.o.1.5, 140.144.3-140.o.1.6, 140.144.3-140.o.1.7, 140.144.3-140.o.1.8, 280.144.3-140.o.1.1, 280.144.3-140.o.1.2, 280.144.3-140.o.1.3, 280.144.3-140.o.1.4, 280.144.3-140.o.1.5, 280.144.3-140.o.1.6, 280.144.3-140.o.1.7, 280.144.3-140.o.1.8, 280.144.3-140.o.1.9, 280.144.3-140.o.1.10, 280.144.3-140.o.1.11, 280.144.3-140.o.1.12, 280.144.3-140.o.1.13, 280.144.3-140.o.1.14, 280.144.3-140.o.1.15, 280.144.3-140.o.1.16, 280.144.3-140.o.1.17, 280.144.3-140.o.1.18, 280.144.3-140.o.1.19, 280.144.3-140.o.1.20, 280.144.3-140.o.1.21, 280.144.3-140.o.1.22, 280.144.3-140.o.1.23, 280.144.3-140.o.1.24
Cyclic 140-isogeny field degree: $8$
Cyclic 140-torsion field degree: $384$
Full 140-torsion field degree: $1290240$

Rational points

This modular curve has 4 rational cusps but no known non-cuspidal rational points.

Modular covers

The following modular covers realize this modular curve as a fiber product over $X(1)$.

Factor curve Level Index Degree Genus Rank
$X_0(5)$ $5$ $12$ $12$ $0$ $0$
28.12.0.g.1 $28$ $6$ $6$ $0$ $0$

This modular curve minimally covers the modular curves listed below.

Covered curve Level Index Degree Genus Rank
$X_0(20)$ $20$ $2$ $2$ $1$ $0$
28.12.0.g.1 $28$ $6$ $6$ $0$ $0$
70.36.1.b.1 $70$ $2$ $2$ $1$ $0$
140.36.1.i.1 $140$ $2$ $2$ $1$ $?$

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

Covering curve Level Index Degree Genus
140.144.5.ci.1 $140$ $2$ $2$ $5$
140.144.5.ci.2 $140$ $2$ $2$ $5$
140.144.5.ck.1 $140$ $2$ $2$ $5$
140.144.5.ck.2 $140$ $2$ $2$ $5$
140.144.5.cy.1 $140$ $2$ $2$ $5$
140.144.5.cy.2 $140$ $2$ $2$ $5$
140.144.5.da.1 $140$ $2$ $2$ $5$
140.144.5.da.2 $140$ $2$ $2$ $5$
140.360.19.eu.1 $140$ $5$ $5$ $19$
280.144.5.qf.1 $280$ $2$ $2$ $5$
280.144.5.qf.2 $280$ $2$ $2$ $5$
280.144.5.qt.1 $280$ $2$ $2$ $5$
280.144.5.qt.2 $280$ $2$ $2$ $5$
280.144.5.ye.1 $280$ $2$ $2$ $5$
280.144.5.ye.2 $280$ $2$ $2$ $5$
280.144.5.ys.1 $280$ $2$ $2$ $5$
280.144.5.ys.2 $280$ $2$ $2$ $5$
280.144.7.hb.1 $280$ $2$ $2$ $7$
280.144.7.hc.1 $280$ $2$ $2$ $7$
280.144.7.hj.1 $280$ $2$ $2$ $7$
280.144.7.hk.1 $280$ $2$ $2$ $7$
280.144.7.hr.1 $280$ $2$ $2$ $7$
280.144.7.hr.2 $280$ $2$ $2$ $7$
280.144.7.hs.1 $280$ $2$ $2$ $7$
280.144.7.hs.2 $280$ $2$ $2$ $7$
280.144.7.hz.1 $280$ $2$ $2$ $7$
280.144.7.hz.2 $280$ $2$ $2$ $7$
280.144.7.ia.1 $280$ $2$ $2$ $7$
280.144.7.ia.2 $280$ $2$ $2$ $7$
280.144.7.id.1 $280$ $2$ $2$ $7$
280.144.7.ie.1 $280$ $2$ $2$ $7$
280.144.7.ih.1 $280$ $2$ $2$ $7$
280.144.7.ii.1 $280$ $2$ $2$ $7$