Properties

Label 30.720.25-30.ea.1.7
Level $30$
Index $720$
Genus $25$
Analytic rank $2$
Cusps $12$
$\Q$-cusps $2$

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Invariants

Level: $30$ $\SL_2$-level: $30$ Newform level: $900$
Index: $720$ $\PSL_2$-index:$360$
Genus: $25 = 1 + \frac{ 360 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 12 }{2}$
Cusps: $12$ (of which $2$ are rational) Cusp widths $30^{12}$ Cusp orbits $1^{2}\cdot2\cdot4^{2}$
Elliptic points: $0$ of order $2$ and $0$ of order $3$
Analytic rank: $2$
$\Q$-gonality: $4 \le \gamma \le 6$
$\overline{\Q}$-gonality: $4 \le \gamma \le 6$
Rational cusps: $2$
Rational CM points: none

Other labels

Rouse, Sutherland, and Zureick-Brown (RSZB) label: 30.720.25.9

Level structure

$\GL_2(\Z/30\Z)$-generators: $\begin{bmatrix}11&15\\15&16\end{bmatrix}$, $\begin{bmatrix}17&5\\5&16\end{bmatrix}$, $\begin{bmatrix}29&20\\5&1\end{bmatrix}$
$\GL_2(\Z/30\Z)$-subgroup: $C_4.(C_4\times D_6)$
Contains $-I$: no $\quad$ (see 30.360.25.ea.1 for the level structure with $-I$)
Cyclic 30-isogeny field degree: $12$
Cyclic 30-torsion field degree: $24$
Full 30-torsion field degree: $192$

Jacobian

Conductor: $2^{30}\cdot3^{30}\cdot5^{41}$
Simple: no
Squarefree: no
Decomposition: $1^{9}\cdot2^{8}$
Newforms: 20.2.a.a, 45.2.b.a$^{2}$, 60.2.d.a$^{2}$, 100.2.a.a$^{2}$, 100.2.c.a, 225.2.a.c, 225.2.a.d, 225.2.a.f, 225.2.b.c, 300.2.a.a, 300.2.a.b, 300.2.a.c, 300.2.a.d, 300.2.d.a

Rational points

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

Modular covers

This modular curve minimally covers the modular curves listed below.

Covered curve Level Index Degree Genus Rank Kernel decomposition
15.360.10-15.b.1.5 $15$ $2$ $2$ $10$ $1$ $1^{7}\cdot2^{4}$
30.360.10-15.b.1.7 $30$ $2$ $2$ $10$ $1$ $1^{7}\cdot2^{4}$
30.144.5-30.bj.1.7 $30$ $5$ $5$ $5$ $0$ $1^{8}\cdot2^{6}$
30.144.5-30.bj.2.7 $30$ $5$ $5$ $5$ $0$ $1^{8}\cdot2^{6}$

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

Covering curve Level Index Degree Genus Rank Kernel decomposition
30.1440.49-30.be.1.4 $30$ $2$ $2$ $49$ $3$ $1^{14}\cdot2^{5}$
30.1440.49-30.co.1.3 $30$ $2$ $2$ $49$ $5$ $1^{14}\cdot2^{5}$
30.1440.49-30.fb.1.3 $30$ $2$ $2$ $49$ $6$ $1^{14}\cdot2^{5}$
30.1440.49-30.fh.1.2 $30$ $2$ $2$ $49$ $3$ $1^{14}\cdot2^{5}$
30.2160.73-30.cm.1.4 $30$ $3$ $3$ $73$ $4$ $1^{22}\cdot2^{13}$
60.1440.49-60.pl.1.10 $60$ $2$ $2$ $49$ $5$ $1^{14}\cdot2^{5}$
60.1440.49-60.yv.1.7 $60$ $2$ $2$ $49$ $10$ $1^{14}\cdot2^{5}$
60.1440.49-60.cay.1.7 $60$ $2$ $2$ $49$ $11$ $1^{14}\cdot2^{5}$
60.1440.49-60.cck.1.7 $60$ $2$ $2$ $49$ $5$ $1^{14}\cdot2^{5}$
60.2880.109-60.emg.1.14 $60$ $4$ $4$ $109$ $21$ $1^{40}\cdot2^{22}$