Invariants
| Level: | $24$ | $\SL_2$-level: | $6$ | ||||
| Index: | $48$ | $\PSL_2$-index: | $24$ | ||||
| Genus: | $0 = 1 + \frac{ 24 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 6 }{2}$ | ||||||
| Cusps: | $6$ (of which $2$ are rational) | Cusp widths | $2^{3}\cdot6^{3}$ | Cusp orbits | $1^{2}\cdot2^{2}$ | ||
| Elliptic points: | $0$ of order $2$ and $0$ of order $3$ | ||||||
| $\Q$-gonality: | $1$ | ||||||
| $\overline{\Q}$-gonality: | $1$ | ||||||
| Rational cusps: | $2$ | ||||||
| Rational CM points: | none |
Other labels
| Cummins and Pauli (CP) label: | 6I0 |
| Rouse, Sutherland, and Zureick-Brown (RSZB) label: | 24.48.0.82 |
Level structure
| $\GL_2(\Z/24\Z)$-generators: | $\begin{bmatrix}7&6\\18&1\end{bmatrix}$, $\begin{bmatrix}13&13\\12&13\end{bmatrix}$, $\begin{bmatrix}13&19\\6&19\end{bmatrix}$, $\begin{bmatrix}19&4\\6&11\end{bmatrix}$ |
| Contains $-I$: | no $\quad$ (see 24.24.0.p.1 for the level structure with $-I$) |
| Cyclic 24-isogeny field degree: | $4$ |
| Cyclic 24-torsion field degree: | $16$ |
| Full 24-torsion field degree: | $1536$ |
Models
This modular curve is isomorphic to $\mathbb{P}^1$.
Rational points
This modular curve has infinitely many rational points, including 98 stored non-cuspidal points.
Maps to other modular curves
$j$-invariant map of degree 24 to the modular curve $X(1)$ :
| $\displaystyle j$ | $=$ | $\displaystyle \frac{1}{2}\cdot\frac{(x+3y)^{24}(x^{2}-18xy-15y^{2})^{3}(215x^{6}+1062x^{5}y+1545x^{4}y^{2}+4500x^{3}y^{3}+9465x^{2}y^{4}+3942xy^{5}+12039y^{6})^{3}}{(x-y)^{6}(x+3y)^{26}(3x^{2}+10xy+19y^{2})^{6}(11x^{2}-6xy+27y^{2})^{2}}$ |
Modular covers
The following modular covers realize this modular curve as a fiber product over $X(1)$.
| Factor curve | Level | Index | Degree | Genus | Rank |
|---|---|---|---|---|---|
| $X_1(3)$ | $3$ | $6$ | $6$ | $0$ | $0$ |
| 8.6.0.a.1 | $8$ | $8$ | $4$ | $0$ | $0$ |
This modular curve minimally covers the modular curves listed below.
| Covered curve | Level | Index | Degree | Genus | Rank |
|---|---|---|---|---|---|
| $X_1(6)$ | $6$ | $2$ | $2$ | $0$ | $0$ |
| 24.16.0-24.a.1.8 | $24$ | $3$ | $3$ | $0$ | $0$ |
| 24.24.0-6.a.1.12 | $24$ | $2$ | $2$ | $0$ | $0$ |
This modular curve is minimally covered by the modular curves in the database listed below.