Properties

Label 24.8.0-3.a.1.2
Level $24$
Index $8$
Genus $0$
Analytic rank $0$
Cusps $2$
$\Q$-cusps $2$

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Invariants

Level: $24$ $\SL_2$-level: $3$
Index: $8$ $\PSL_2$-index:$4$
Genus: $0 = 1 + \frac{ 4 }{12} - \frac{ 0 }{4} - \frac{ 1 }{3} - \frac{ 2 }{2}$
Cusps: $2$ (all of which are rational) Cusp widths $1\cdot3$ Cusp orbits $1^{2}$
Elliptic points: $0$ of order $2$ and $1$ of order $3$
$\Q$-gonality: $1$
$\overline{\Q}$-gonality: $1$
Rational cusps: $2$
Rational CM points: yes $\quad(D =$ $-3,-12,-27$)

Other labels

Cummins and Pauli (CP) label: 3B0
Rouse, Sutherland, and Zureick-Brown (RSZB) label: 24.8.0.2

Level structure

$\GL_2(\Z/24\Z)$-generators: $\begin{bmatrix}1&14\\3&17\end{bmatrix}$, $\begin{bmatrix}4&7\\21&23\end{bmatrix}$, $\begin{bmatrix}8&11\\9&4\end{bmatrix}$, $\begin{bmatrix}10&17\\3&1\end{bmatrix}$
Contains $-I$: no $\quad$ (see 3.4.0.a.1 for the level structure with $-I$)
Cyclic 24-isogeny field degree: $12$
Cyclic 24-torsion field degree: $96$
Full 24-torsion field degree: $9216$

Models

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

Rational points

This modular curve has infinitely many rational points, including 78278 stored non-cuspidal points.

Maps to other modular curves

$j$-invariant map of degree 4 to the modular curve $X(1)$ :

$\displaystyle j$ $=$ $\displaystyle \frac{1}{2^3}\cdot\frac{x^{4}(x-18y)^{3}(x+30y)}{y^{3}x^{4}(x-24y)}$

Modular covers

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

Covering curve Level Index Degree Genus
24.24.0-3.a.1.1 $24$ $3$ $3$ $0$
24.16.0-6.a.1.5 $24$ $2$ $2$ $0$
24.16.0-6.b.1.3 $24$ $2$ $2$ $0$
24.24.0-6.a.1.11 $24$ $3$ $3$ $0$
72.24.0-9.a.1.4 $72$ $3$ $3$ $0$
72.24.0-9.b.1.4 $72$ $3$ $3$ $0$
72.24.1-9.a.1.4 $72$ $3$ $3$ $1$
24.16.0-12.a.1.4 $24$ $2$ $2$ $0$
24.16.0-12.b.1.3 $24$ $2$ $2$ $0$
24.32.1-12.a.1.3 $24$ $4$ $4$ $1$
120.40.1-15.a.1.6 $120$ $5$ $5$ $1$
120.48.1-15.a.1.3 $120$ $6$ $6$ $1$
120.80.2-15.a.1.13 $120$ $10$ $10$ $2$
168.64.1-21.a.1.11 $168$ $8$ $8$ $1$
168.168.5-21.a.1.10 $168$ $21$ $21$ $5$
168.224.6-21.a.1.7 $168$ $28$ $28$ $6$
24.16.0-24.a.1.2 $24$ $2$ $2$ $0$
24.16.0-24.b.1.5 $24$ $2$ $2$ $0$
24.16.0-24.c.1.6 $24$ $2$ $2$ $0$
24.16.0-24.d.1.1 $24$ $2$ $2$ $0$
120.16.0-30.a.1.5 $120$ $2$ $2$ $0$
120.16.0-30.b.1.3 $120$ $2$ $2$ $0$
264.96.3-33.a.1.14 $264$ $12$ $12$ $3$
264.440.13-33.a.1.2 $264$ $55$ $55$ $13$
264.440.14-33.a.1.12 $264$ $55$ $55$ $14$
264.528.17-33.a.1.12 $264$ $66$ $66$ $17$
312.112.3-39.a.1.1 $312$ $14$ $14$ $3$
168.16.0-42.a.1.2 $168$ $2$ $2$ $0$
168.16.0-42.b.1.3 $168$ $2$ $2$ $0$
120.16.0-60.a.1.3 $120$ $2$ $2$ $0$
120.16.0-60.b.1.5 $120$ $2$ $2$ $0$
264.16.0-66.a.1.4 $264$ $2$ $2$ $0$
264.16.0-66.b.1.7 $264$ $2$ $2$ $0$
312.16.0-78.a.1.1 $312$ $2$ $2$ $0$
312.16.0-78.b.1.2 $312$ $2$ $2$ $0$
168.16.0-84.a.1.5 $168$ $2$ $2$ $0$
168.16.0-84.b.1.4 $168$ $2$ $2$ $0$
120.16.0-120.a.1.8 $120$ $2$ $2$ $0$
120.16.0-120.b.1.6 $120$ $2$ $2$ $0$
120.16.0-120.c.1.7 $120$ $2$ $2$ $0$
120.16.0-120.d.1.9 $120$ $2$ $2$ $0$
264.16.0-132.a.1.4 $264$ $2$ $2$ $0$
264.16.0-132.b.1.6 $264$ $2$ $2$ $0$
312.16.0-156.a.1.1 $312$ $2$ $2$ $0$
312.16.0-156.b.1.1 $312$ $2$ $2$ $0$
168.16.0-168.a.1.4 $168$ $2$ $2$ $0$
168.16.0-168.b.1.2 $168$ $2$ $2$ $0$
168.16.0-168.c.1.2 $168$ $2$ $2$ $0$
168.16.0-168.d.1.10 $168$ $2$ $2$ $0$
264.16.0-264.a.1.13 $264$ $2$ $2$ $0$
264.16.0-264.b.1.10 $264$ $2$ $2$ $0$
264.16.0-264.c.1.10 $264$ $2$ $2$ $0$
264.16.0-264.d.1.1 $264$ $2$ $2$ $0$
312.16.0-312.a.1.10 $312$ $2$ $2$ $0$
312.16.0-312.b.1.3 $312$ $2$ $2$ $0$
312.16.0-312.c.1.5 $312$ $2$ $2$ $0$
312.16.0-312.d.1.6 $312$ $2$ $2$ $0$