Properties

Label 240.192.3-240.hx.2.21
Level $240$
Index $192$
Genus $3$
Cusps $12$
$\Q$-cusps $0$

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Invariants

Level: $240$ $\SL_2$-level: $16$ Newform level: $1$
Index: $192$ $\PSL_2$-index:$96$
Genus: $3 = 1 + \frac{ 96 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 12 }{2}$
Cusps: $12$ (none of which are rational) Cusp widths $4^{8}\cdot16^{4}$ Cusp orbits $2^{4}\cdot4$
Elliptic points: $0$ of order $2$ and $0$ of order $3$
Analytic rank: not computed
$\Q$-gonality: $2 \le \gamma \le 4$
$\overline{\Q}$-gonality: $2 \le \gamma \le 3$
Rational cusps: $0$
Rational CM points: none

Other labels

Cummins and Pauli (CP) label: 16J3

Level structure

$\GL_2(\Z/240\Z)$-generators: $\begin{bmatrix}139&0\\160&41\end{bmatrix}$, $\begin{bmatrix}149&158\\208&5\end{bmatrix}$, $\begin{bmatrix}173&62\\152&117\end{bmatrix}$, $\begin{bmatrix}177&134\\112&113\end{bmatrix}$, $\begin{bmatrix}207&166\\88&41\end{bmatrix}$
Contains $-I$: no $\quad$ (see 240.96.3.hx.2 for the level structure with $-I$)
Cyclic 240-isogeny field degree: $48$
Cyclic 240-torsion field degree: $3072$
Full 240-torsion field degree: $2949120$

Rational points

This modular curve has real points and $\Q_p$ points for $p$ not dividing the level, but no known rational points.

Modular covers

This modular curve minimally covers the modular curves listed below.

Covered curve Level Index Degree Genus Rank
24.96.0-24.ba.1.1 $24$ $2$ $2$ $0$ $0$
80.96.2-80.f.1.9 $80$ $2$ $2$ $2$ $?$
240.96.0-24.ba.1.8 $240$ $2$ $2$ $0$ $?$
240.96.1-240.a.1.6 $240$ $2$ $2$ $1$ $?$
240.96.1-240.a.1.40 $240$ $2$ $2$ $1$ $?$
240.96.2-80.f.1.22 $240$ $2$ $2$ $2$ $?$

This modular curve is minimally covered by the modular curves in the database listed below.

Covering curve Level Index Degree Genus
240.384.5-240.gh.2.4 $240$ $2$ $2$ $5$
240.384.5-240.ka.1.4 $240$ $2$ $2$ $5$
240.384.5-240.tb.2.13 $240$ $2$ $2$ $5$
240.384.5-240.tn.2.13 $240$ $2$ $2$ $5$
240.384.5-240.bdg.2.7 $240$ $2$ $2$ $5$
240.384.5-240.bev.2.7 $240$ $2$ $2$ $5$
240.384.5-240.bft.1.7 $240$ $2$ $2$ $5$
240.384.5-240.bfx.1.7 $240$ $2$ $2$ $5$