Invariants
| Level: | $104$ | $\SL_2$-level: | $8$ | ||||
| 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 | $2^{2}\cdot4^{3}\cdot8$ | 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: | 8J0 |
Level structure
| $\GL_2(\Z/104\Z)$-generators: | $\begin{bmatrix}29&44\\18&67\end{bmatrix}$, $\begin{bmatrix}29&72\\54&65\end{bmatrix}$, $\begin{bmatrix}39&56\\44&13\end{bmatrix}$, $\begin{bmatrix}69&80\\82&19\end{bmatrix}$, $\begin{bmatrix}71&60\\86&13\end{bmatrix}$ |
| Contains $-I$: | no $\quad$ (see 8.24.0.d.1 for the level structure with $-I$) |
| Cyclic 104-isogeny field degree: | $28$ |
| Cyclic 104-torsion field degree: | $1344$ |
| Full 104-torsion field degree: | $838656$ |
Models
This modular curve is isomorphic to $\mathbb{P}^1$.
Rational points
This modular curve has infinitely many rational points, including 136 stored non-cuspidal points.
Maps to other modular curves
$j$-invariant map of degree 24 to the modular curve $X(1)$ :
| $\displaystyle j$ | $=$ | $\displaystyle 2^2\,\frac{x^{24}(256x^{8}+256x^{6}y^{2}+80x^{4}y^{4}+8x^{2}y^{6}+y^{8})^{3}}{y^{8}x^{28}(2x^{2}+y^{2})^{2}(4x^{2}+y^{2})^{4}}$ |
Modular covers
This modular curve minimally covers the modular curves listed below.
| Covered curve | Level | Index | Degree | Genus | Rank |
|---|---|---|---|---|---|
| 104.24.0-4.b.1.3 | $104$ | $2$ | $2$ | $0$ | $?$ |
| 104.24.0-4.b.1.5 | $104$ | $2$ | $2$ | $0$ | $?$ |
This modular curve is minimally covered by the modular curves in the database listed below.
| Covering curve | Level | Index | Degree | Genus |
|---|---|---|---|---|
| 104.96.0-8.a.1.4 | $104$ | $2$ | $2$ | $0$ |
| 104.96.0-8.b.2.3 | $104$ | $2$ | $2$ | $0$ |
| 104.96.0-8.d.1.3 | $104$ | $2$ | $2$ | $0$ |
| 104.96.0-8.e.1.6 | $104$ | $2$ | $2$ | $0$ |
| 104.96.0-8.g.1.3 | $104$ | $2$ | $2$ | $0$ |
| 104.96.0-8.h.1.1 | $104$ | $2$ | $2$ | $0$ |
| 104.96.0-104.i.1.12 | $104$ | $2$ | $2$ | $0$ |
| 104.96.0-8.j.1.2 | $104$ | $2$ | $2$ | $0$ |
| 104.96.0-104.j.2.8 | $104$ | $2$ | $2$ | $0$ |
| 104.96.0-8.k.2.4 | $104$ | $2$ | $2$ | $0$ |
| 104.96.0-104.m.2.12 | $104$ | $2$ | $2$ | $0$ |
| 104.96.0-104.n.2.10 | $104$ | $2$ | $2$ | $0$ |
| 104.96.0-104.q.1.4 | $104$ | $2$ | $2$ | $0$ |
| 104.96.0-104.r.2.2 | $104$ | $2$ | $2$ | $0$ |
| 104.96.0-104.u.2.4 | $104$ | $2$ | $2$ | $0$ |
| 104.96.0-104.v.1.7 | $104$ | $2$ | $2$ | $0$ |
| 104.96.1-8.e.2.6 | $104$ | $2$ | $2$ | $1$ |
| 104.96.1-8.i.1.4 | $104$ | $2$ | $2$ | $1$ |
| 104.96.1-8.l.1.3 | $104$ | $2$ | $2$ | $1$ |
| 104.96.1-8.m.2.4 | $104$ | $2$ | $2$ | $1$ |
| 104.96.1-104.bc.2.8 | $104$ | $2$ | $2$ | $1$ |
| 104.96.1-104.bd.2.16 | $104$ | $2$ | $2$ | $1$ |
| 104.96.1-104.bg.2.14 | $104$ | $2$ | $2$ | $1$ |
| 104.96.1-104.bh.2.6 | $104$ | $2$ | $2$ | $1$ |
| 312.96.0-24.g.2.9 | $312$ | $2$ | $2$ | $0$ |
| 312.96.0-24.h.2.11 | $312$ | $2$ | $2$ | $0$ |
| 312.96.0-24.k.1.10 | $312$ | $2$ | $2$ | $0$ |
| 312.96.0-24.l.1.9 | $312$ | $2$ | $2$ | $0$ |
| 312.96.0-24.p.1.1 | $312$ | $2$ | $2$ | $0$ |
| 312.96.0-24.q.2.5 | $312$ | $2$ | $2$ | $0$ |
| 312.96.0-24.t.2.5 | $312$ | $2$ | $2$ | $0$ |
| 312.96.0-24.u.2.1 | $312$ | $2$ | $2$ | $0$ |
| 312.96.0-312.z.2.19 | $312$ | $2$ | $2$ | $0$ |
| 312.96.0-312.bb.2.27 | $312$ | $2$ | $2$ | $0$ |
| 312.96.0-312.bh.2.15 | $312$ | $2$ | $2$ | $0$ |
| 312.96.0-312.bj.2.19 | $312$ | $2$ | $2$ | $0$ |
| 312.96.0-312.bp.2.11 | $312$ | $2$ | $2$ | $0$ |
| 312.96.0-312.br.1.15 | $312$ | $2$ | $2$ | $0$ |
| 312.96.0-312.bx.2.13 | $312$ | $2$ | $2$ | $0$ |
| 312.96.0-312.bz.1.2 | $312$ | $2$ | $2$ | $0$ |
| 312.96.1-24.bc.2.5 | $312$ | $2$ | $2$ | $1$ |
| 312.96.1-24.bd.2.5 | $312$ | $2$ | $2$ | $1$ |
| 312.96.1-24.bg.2.3 | $312$ | $2$ | $2$ | $1$ |
| 312.96.1-24.bh.1.3 | $312$ | $2$ | $2$ | $1$ |
| 312.96.1-312.ds.2.5 | $312$ | $2$ | $2$ | $1$ |
| 312.96.1-312.du.2.10 | $312$ | $2$ | $2$ | $1$ |
| 312.96.1-312.ea.2.15 | $312$ | $2$ | $2$ | $1$ |
| 312.96.1-312.ec.2.13 | $312$ | $2$ | $2$ | $1$ |
| 312.144.4-24.s.2.18 | $312$ | $3$ | $3$ | $4$ |
| 312.192.3-24.bn.2.18 | $312$ | $4$ | $4$ | $3$ |