Invariants
| Level: | $24$ | $\SL_2$-level: | $8$ | ||||
| Index: | $96$ | $\PSL_2$-index: | $48$ | ||||
| Genus: | $0 = 1 + \frac{ 48 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 10 }{2}$ | ||||||
| Cusps: | $10$ (of which $2$ are rational) | Cusp widths | $4^{8}\cdot8^{2}$ | Cusp orbits | $1^{2}\cdot2^{2}\cdot4$ | ||
| 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: | 8N0 |
| Rouse, Sutherland, and Zureick-Brown (RSZB) label: | 24.96.0.7 |
Level structure
| $\GL_2(\Z/24\Z)$-generators: | $\begin{bmatrix}1&8\\18&23\end{bmatrix}$, $\begin{bmatrix}5&12\\8&13\end{bmatrix}$, $\begin{bmatrix}13&12\\16&17\end{bmatrix}$, $\begin{bmatrix}17&0\\12&5\end{bmatrix}$, $\begin{bmatrix}17&20\\0&17\end{bmatrix}$ |
| $\GL_2(\Z/24\Z)$-subgroup: | $C_2^4\times \GL(2,3)$ |
| Contains $-I$: | no $\quad$ (see 24.48.0.b.2 for the level structure with $-I$) |
| Cyclic 24-isogeny field degree: | $8$ |
| Cyclic 24-torsion field degree: | $32$ |
| Full 24-torsion field degree: | $768$ |
Models
This modular curve is isomorphic to $\mathbb{P}^1$.
Rational points
This modular curve has infinitely many rational points, including 7 stored non-cuspidal points.
Maps to other modular curves
$j$-invariant map of degree 48 to the modular curve $X(1)$ :
| $\displaystyle j$ | $=$ | $\displaystyle \frac{2^4}{3^4}\cdot\frac{(3x-2y)^{48}(81x^{8}-54x^{6}y^{2}+18x^{4}y^{4}+6x^{2}y^{6}+y^{8})^{3}(81x^{8}+54x^{6}y^{2}+18x^{4}y^{4}-6x^{2}y^{6}+y^{8})^{3}}{y^{8}x^{8}(3x-2y)^{48}(3x^{2}-y^{2})^{4}(3x^{2}+y^{2})^{4}(9x^{4}+y^{4})^{4}}$ |
Modular covers
This modular curve minimally covers the modular curves listed below.
| Covered curve | Level | Index | Degree | Genus | Rank |
|---|---|---|---|---|---|
| $X_{\mathrm{arith}}(4)$ | $4$ | $2$ | $2$ | $0$ | $0$ |
| 24.48.0-4.b.1.5 | $24$ | $2$ | $2$ | $0$ | $0$ |
| 24.48.0-24.h.1.1 | $24$ | $2$ | $2$ | $0$ | $0$ |
| 24.48.0-24.h.1.32 | $24$ | $2$ | $2$ | $0$ | $0$ |
| 24.48.0-24.i.1.3 | $24$ | $2$ | $2$ | $0$ | $0$ |
| 24.48.0-24.i.1.30 | $24$ | $2$ | $2$ | $0$ | $0$ |
This modular curve is minimally covered by the modular curves in the database listed below.