Properties

Label 282.72.0-6.a.1.1
Level $282$
Index $72$
Genus $0$
Cusps $8$
$\Q$-cusps $4$

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Invariants

Level: $282$ $\SL_2$-level: $6$
Index: $72$ $\PSL_2$-index:$36$
Genus: $0 = 1 + \frac{ 36 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 8 }{2}$
Cusps: $8$ (of which $4$ are rational) Cusp widths $3^{4}\cdot6^{4}$ Cusp orbits $1^{4}\cdot2^{2}$
Elliptic points: $0$ of order $2$ and $0$ of order $3$
$\Q$-gonality: $1$
$\overline{\Q}$-gonality: $1$
Rational cusps: $4$
Rational CM points: none

Other labels

Cummins and Pauli (CP) label: 6K0

Level structure

$\GL_2(\Z/282\Z)$-generators: $\begin{bmatrix}101&6\\180&137\end{bmatrix}$, $\begin{bmatrix}191&252\\239&67\end{bmatrix}$, $\begin{bmatrix}221&126\\27&269\end{bmatrix}$
Contains $-I$: no $\quad$ (see 6.36.0.a.1 for the level structure with $-I$)
Cyclic 282-isogeny field degree: $48$
Cyclic 282-torsion field degree: $4416$
Full 282-torsion field degree: $19094784$

Models

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

Rational points

This modular curve has infinitely many rational points, including 46 stored non-cuspidal points.

Maps to other modular curves

$j$-invariant map of degree 36 to the modular curve $X(1)$ :

$\displaystyle j$ $=$ $\displaystyle \frac{x^{36}(x^{3}-2y^{3})^{3}(x^{3}+6xy^{2}-2y^{3})^{3}(x^{6}-6x^{4}y^{2}-4x^{3}y^{3}+36x^{2}y^{4}+12xy^{5}+4y^{6})^{3}}{y^{6}x^{39}(x-2y)^{3}(x+y)^{6}(x^{2}-xy+y^{2})^{6}(x^{2}+2xy+4y^{2})^{3}}$

Modular covers

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

Factor curve Level Index Degree Genus Rank
$X_0(2)$ $2$ $24$ $12$ $0$ $0$
141.24.0-3.a.1.1 $141$ $3$ $3$ $0$ $?$

This modular curve minimally covers the modular curves listed below.

Covered curve Level Index Degree Genus Rank
141.24.0-3.a.1.1 $141$ $3$ $3$ $0$ $?$
282.24.0-6.a.1.1 $282$ $3$ $3$ $0$ $?$
282.24.0-6.a.1.2 $282$ $3$ $3$ $0$ $?$

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

Covering curve Level Index Degree Genus
282.144.1-6.a.1.1 $282$ $2$ $2$ $1$
282.144.1-6.b.1.1 $282$ $2$ $2$ $1$
282.144.1-282.b.1.1 $282$ $2$ $2$ $1$
282.144.1-282.c.1.2 $282$ $2$ $2$ $1$