Properties

Label 132.16.0-6.a.1.4
Level $132$
Index $16$
Genus $0$
Cusps $2$
$\Q$-cusps $2$

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Invariants

Level: $132$ $\SL_2$-level: $12$
Index: $16$ $\PSL_2$-index:$8$
Genus: $0 = 1 + \frac{ 8 }{12} - \frac{ 0 }{4} - \frac{ 2 }{3} - \frac{ 2 }{2}$
Cusps: $2$ (all of which are rational) Cusp widths $2\cdot6$ Cusp orbits $1^{2}$
Elliptic points: $0$ of order $2$ and $2$ of order $3$
$\Q$-gonality: $1$
$\overline{\Q}$-gonality: $1$
Rational cusps: $2$
Rational CM points: none

Other labels

Cummins and Pauli (CP) label: 6C0

Level structure

$\GL_2(\Z/132\Z)$-generators: $\begin{bmatrix}48&47\\13&53\end{bmatrix}$, $\begin{bmatrix}59&100\\120&49\end{bmatrix}$, $\begin{bmatrix}64&33\\33&127\end{bmatrix}$, $\begin{bmatrix}91&71\\21&116\end{bmatrix}$
Contains $-I$: no $\quad$ (see 6.8.0.a.1 for the level structure with $-I$)
Cyclic 132-isogeny field degree: $72$
Cyclic 132-torsion field degree: $2880$
Full 132-torsion field degree: $3801600$

Models

This modular curve is isomorphic to $\mathbb{P}^1$.

Rational points

This modular curve has infinitely many rational points, including 224 stored non-cuspidal points.

Maps to other modular curves

$j$-invariant map of degree 8 to the modular curve $X(1)$ :

$\displaystyle j$ $=$ $\displaystyle \frac{1}{2^6}\cdot\frac{x^{8}(x^{2}+12y^{2})^{3}(x^{2}+108y^{2})}{y^{6}x^{10}}$

Modular covers

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

Factor curve Level Index Degree Genus Rank
$X_0(3)$ $3$ $4$ $2$ $0$ $0$
44.4.0-2.a.1.1 $44$ $4$ $4$ $0$ $0$

This modular curve minimally covers the modular curves listed below.

Covered curve Level Index Degree Genus Rank
44.4.0-2.a.1.1 $44$ $4$ $4$ $0$ $0$

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

Covering curve Level Index Degree Genus
132.32.0-12.a.1.3 $132$ $2$ $2$ $0$
132.32.0-12.a.1.4 $132$ $2$ $2$ $0$
132.32.0-12.a.2.1 $132$ $2$ $2$ $0$
132.32.0-12.a.2.2 $132$ $2$ $2$ $0$
132.32.0-132.a.1.5 $132$ $2$ $2$ $0$
132.32.0-132.a.1.7 $132$ $2$ $2$ $0$
132.32.0-132.a.2.2 $132$ $2$ $2$ $0$
132.32.0-132.a.2.4 $132$ $2$ $2$ $0$
132.48.0-6.a.1.9 $132$ $3$ $3$ $0$
132.48.1-6.a.1.3 $132$ $3$ $3$ $1$
132.64.1-12.a.1.2 $132$ $4$ $4$ $1$
132.192.7-66.a.1.4 $132$ $12$ $12$ $7$
264.32.0-24.a.1.1 $264$ $2$ $2$ $0$
264.32.0-24.a.1.8 $264$ $2$ $2$ $0$
264.32.0-24.a.2.1 $264$ $2$ $2$ $0$
264.32.0-24.a.2.8 $264$ $2$ $2$ $0$
264.32.0-264.a.1.2 $264$ $2$ $2$ $0$
264.32.0-264.a.1.7 $264$ $2$ $2$ $0$
264.32.0-264.a.2.1 $264$ $2$ $2$ $0$
264.32.0-264.a.2.14 $264$ $2$ $2$ $0$