Properties

Label 280.240.5-280.de.1.16
Level $280$
Index $240$
Genus $5$
Cusps $12$
$\Q$-cusps $2$

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Invariants

Level: $280$ $\SL_2$-level: $10$ Newform level: $1$
Index: $240$ $\PSL_2$-index:$120$
Genus: $5 = 1 + \frac{ 120 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 12 }{2}$
Cusps: $12$ (of which $2$ are rational) Cusp widths $10^{12}$ Cusp orbits $1^{2}\cdot2\cdot4^{2}$
Elliptic points: $0$ of order $2$ and $0$ of order $3$
Analytic rank: not computed
$\Q$-gonality: $2 \le \gamma \le 5$
$\overline{\Q}$-gonality: $2 \le \gamma \le 5$
Rational cusps: $2$
Rational CM points: none

Other labels

Cummins and Pauli (CP) label: 10A5

Level structure

$\GL_2(\Z/280\Z)$-generators: $\begin{bmatrix}11&230\\15&21\end{bmatrix}$, $\begin{bmatrix}163&102\\276&57\end{bmatrix}$, $\begin{bmatrix}163&157\\181&152\end{bmatrix}$, $\begin{bmatrix}215&209\\7&48\end{bmatrix}$
Contains $-I$: no $\quad$ (see 280.120.5.de.1 for the level structure with $-I$)
Cyclic 280-isogeny field degree: $96$
Cyclic 280-torsion field degree: $2304$
Full 280-torsion field degree: $6193152$

Rational points

This modular curve has 2 rational cusps but no known non-cuspidal rational points.

Modular covers

The following modular covers realize this modular curve as a fiber product over $X(1)$.

Factor curve Level Index Degree Genus Rank
$X_{\mathrm{arith}}(5)$ $5$ $2$ $2$ $0$ $0$
56.2.0.a.1 $56$ $120$ $60$ $0$ $0$

This modular curve minimally covers the modular curves listed below.

Covered curve Level Index Degree Genus Rank
$X_{\mathrm{arith}}(5)$ $5$ $2$ $2$ $0$ $0$
280.120.0-5.a.1.6 $280$ $2$ $2$ $0$ $?$
280.48.1-280.gm.1.9 $280$ $5$ $5$ $1$ $?$
280.48.1-280.gm.2.2 $280$ $5$ $5$ $1$ $?$