Properties

Label 30.720.25-30.eu.1.5
Level $30$
Index $720$
Genus $25$
Analytic rank $4$
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: $4$
$\Q$-gonality: $6$
$\overline{\Q}$-gonality: $6$
Rational cusps: $2$
Rational CM points: none

Other labels

Rouse, Sutherland, and Zureick-Brown (RSZB) label: 30.720.25.7

Level structure

$\GL_2(\Z/30\Z)$-generators: $\begin{bmatrix}1&0\\25&29\end{bmatrix}$, $\begin{bmatrix}11&5\\15&22\end{bmatrix}$, $\begin{bmatrix}16&5\\5&11\end{bmatrix}$
$\GL_2(\Z/30\Z)$-subgroup: $Q_8:(C_4\times S_3)$
Contains $-I$: no $\quad$ (see 30.360.25.eu.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: $2^{30}\cdot3^{50}\cdot5^{43}$
Simple: no
Squarefree: no
Decomposition: $1^{11}\cdot2^{7}$
Newforms: 36.2.a.a, 45.2.b.a$^{2}$, 180.2.a.a, 225.2.a.c, 225.2.a.d, 225.2.a.f, 225.2.b.c, 900.2.a.b$^{2}$, 900.2.a.d, 900.2.a.f, 900.2.a.g$^{3}$, 900.2.d.b, 900.2.d.c, 900.2.d.d

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 $15$ $2$ $2$ $10$ $1$ $1^{9}\cdot2^{3}$
30.360.10-15.b.1.3 $30$ $2$ $2$ $10$ $1$ $1^{9}\cdot2^{3}$
30.144.5-30.ba.1.2 $30$ $5$ $5$ $5$ $1$ $1^{8}\cdot2^{6}$
30.144.5-30.ba.2.1 $30$ $5$ $5$ $5$ $1$ $1^{8}\cdot2^{6}$
30.240.5-30.m.1.4 $30$ $3$ $3$ $5$ $2$ $1^{8}\cdot2^{6}$

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.fb.1.3 $30$ $2$ $2$ $49$ $6$ $1^{12}\cdot2^{6}$
30.1440.49-30.ff.1.6 $30$ $2$ $2$ $49$ $7$ $1^{12}\cdot2^{6}$
30.1440.49-30.fp.1.2 $30$ $2$ $2$ $49$ $6$ $1^{12}\cdot2^{6}$
30.1440.49-30.fu.1.4 $30$ $2$ $2$ $49$ $6$ $1^{12}\cdot2^{6}$
30.2160.73-30.dg.1.7 $30$ $3$ $3$ $73$ $9$ $1^{20}\cdot2^{14}$
60.1440.49-60.cba.1.6 $60$ $2$ $2$ $49$ $11$ $1^{12}\cdot2^{6}$
60.1440.49-60.ccc.1.6 $60$ $2$ $2$ $49$ $7$ $1^{12}\cdot2^{6}$
60.1440.49-60.cdv.1.6 $60$ $2$ $2$ $49$ $11$ $1^{12}\cdot2^{6}$
60.1440.49-60.cfa.1.6 $60$ $2$ $2$ $49$ $6$ $1^{12}\cdot2^{6}$
60.2880.109-60.ern.1.10 $60$ $4$ $4$ $109$ $26$ $1^{40}\cdot2^{22}$