Invariants
| Level: | $104$ | $\SL_2$-level: | $8$ | ||||
| Index: | $24$ | $\PSL_2$-index: | $12$ | ||||
| Genus: | $0 = 1 + \frac{ 12 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 4 }{2}$ | ||||||
| Cusps: | $4$ (of which $2$ are rational) | Cusp widths | $1^{2}\cdot2\cdot8$ | Cusp orbits | $1^{2}\cdot2$ | ||
| 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: | 8C0 |
Level structure
| $\GL_2(\Z/104\Z)$-generators: | $\begin{bmatrix}14&97\\77&82\end{bmatrix}$, $\begin{bmatrix}28&99\\21&70\end{bmatrix}$, $\begin{bmatrix}43&42\\18&27\end{bmatrix}$, $\begin{bmatrix}81&82\\56&59\end{bmatrix}$ |
| Contains $-I$: | no $\quad$ (see 104.12.0.bb.1 for the level structure with $-I$) |
| Cyclic 104-isogeny field degree: | $28$ |
| Cyclic 104-torsion field degree: | $672$ |
| Full 104-torsion field degree: | $1677312$ |
Models
This modular curve is isomorphic to $\mathbb{P}^1$.
Rational points
This modular curve has infinitely many rational points but none with conductor small enough to be contained within the database of elliptic curves over $\Q$.
Modular covers
This modular curve minimally covers the modular curves listed below.
| Covered curve | Level | Index | Degree | Genus | Rank |
|---|---|---|---|---|---|
| 8.12.0-4.c.1.5 | $8$ | $2$ | $2$ | $0$ | $0$ |
| 104.12.0-4.c.1.1 | $104$ | $2$ | $2$ | $0$ | $?$ |
This modular curve is minimally covered by the modular curves in the database listed below.
| Covering curve | Level | Index | Degree | Genus |
|---|---|---|---|---|
| 104.48.0-104.l.1.6 | $104$ | $2$ | $2$ | $0$ |
| 104.48.0-104.o.1.8 | $104$ | $2$ | $2$ | $0$ |
| 104.48.0-104.bf.1.4 | $104$ | $2$ | $2$ | $0$ |
| 104.48.0-104.bg.1.6 | $104$ | $2$ | $2$ | $0$ |
| 104.48.0-104.bi.1.6 | $104$ | $2$ | $2$ | $0$ |
| 104.48.0-104.bl.1.5 | $104$ | $2$ | $2$ | $0$ |
| 104.48.0-104.bx.1.5 | $104$ | $2$ | $2$ | $0$ |
| 104.48.0-104.by.1.7 | $104$ | $2$ | $2$ | $0$ |
| 104.336.11-104.cf.1.9 | $104$ | $14$ | $14$ | $11$ |
| 312.48.0-312.bz.1.13 | $312$ | $2$ | $2$ | $0$ |
| 312.48.0-312.cb.1.13 | $312$ | $2$ | $2$ | $0$ |
| 312.48.0-312.ch.1.13 | $312$ | $2$ | $2$ | $0$ |
| 312.48.0-312.cj.1.9 | $312$ | $2$ | $2$ | $0$ |
| 312.48.0-312.do.1.13 | $312$ | $2$ | $2$ | $0$ |
| 312.48.0-312.dr.1.14 | $312$ | $2$ | $2$ | $0$ |
| 312.48.0-312.eb.1.13 | $312$ | $2$ | $2$ | $0$ |
| 312.48.0-312.ec.1.9 | $312$ | $2$ | $2$ | $0$ |
| 312.72.2-312.dj.1.23 | $312$ | $3$ | $3$ | $2$ |
| 312.96.1-312.bab.1.41 | $312$ | $4$ | $4$ | $1$ |