Properties

Label 180.144.3-180.bf.1.3
Level $180$
Index $144$
Genus $3$
Cusps $8$
$\Q$-cusps $4$

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Invariants

Level: $180$ $\SL_2$-level: $36$ Newform level: $1$
Index: $144$ $\PSL_2$-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 $2^{3}\cdot4^{3}\cdot18\cdot36$ 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: 36G3

Level structure

$\GL_2(\Z/180\Z)$-generators: $\begin{bmatrix}97&178\\126&143\end{bmatrix}$, $\begin{bmatrix}121&148\\108&137\end{bmatrix}$, $\begin{bmatrix}128&99\\3&170\end{bmatrix}$, $\begin{bmatrix}153&82\\100&177\end{bmatrix}$
Contains $-I$: no $\quad$ (see 180.72.3.bf.1 for the level structure with $-I$)
Cyclic 180-isogeny field degree: $12$
Cyclic 180-torsion field degree: $576$
Full 180-torsion field degree: $1244160$

Rational points

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

Modular covers

This modular curve minimally covers the modular curves listed below.

Covered curve Level Index Degree Genus Rank
36.72.0-18.a.1.12 $36$ $2$ $2$ $0$ $0$
60.48.1-60.w.1.11 $60$ $3$ $3$ $1$ $0$
90.72.0-18.a.1.3 $90$ $2$ $2$ $0$ $?$

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

Covering curve Level Index Degree Genus
180.288.5-180.c.1.10 $180$ $2$ $2$ $5$
180.288.5-180.g.1.7 $180$ $2$ $2$ $5$
180.288.5-180.m.1.6 $180$ $2$ $2$ $5$
180.288.5-180.p.1.10 $180$ $2$ $2$ $5$
180.288.5-180.q.1.6 $180$ $2$ $2$ $5$
180.288.5-180.t.1.7 $180$ $2$ $2$ $5$
180.288.5-180.u.1.6 $180$ $2$ $2$ $5$
180.288.5-180.x.1.6 $180$ $2$ $2$ $5$
180.432.11-180.ff.1.3 $180$ $3$ $3$ $11$
180.432.11-180.ff.2.6 $180$ $3$ $3$ $11$
180.432.11-180.fj.1.5 $180$ $3$ $3$ $11$
180.432.13-180.bn.1.13 $180$ $3$ $3$ $13$