Properties

Label 44.240.16.b.2
Level $44$
Index $240$
Genus $16$
Analytic rank $5$
Cusps $10$
$\Q$-cusps $0$

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Invariants

Level: $44$ $\SL_2$-level: $44$ Newform level: $1936$
Index: $240$ $\PSL_2$-index:$240$
Genus: $16 = 1 + \frac{ 240 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 10 }{2}$
Cusps: $10$ (none of which are rational) Cusp widths $4^{5}\cdot44^{5}$ Cusp orbits $5^{2}$
Elliptic points: $0$ of order $2$ and $0$ of order $3$
Analytic rank: $5$
$\Q$-gonality: $4 \le \gamma \le 8$
$\overline{\Q}$-gonality: $4 \le \gamma \le 8$
Rational cusps: $0$
Rational CM points: none

Other labels

Cummins and Pauli (CP) label: 44A16
Rouse, Sutherland, and Zureick-Brown (RSZB) label: 44.240.16.19

Level structure

$\GL_2(\Z/44\Z)$-generators: $\begin{bmatrix}17&11\\17&4\end{bmatrix}$, $\begin{bmatrix}40&11\\13&13\end{bmatrix}$, $\begin{bmatrix}43&33\\30&23\end{bmatrix}$
Contains $-I$: yes
Quadratic refinements: 44.480.16-44.b.2.1, 44.480.16-44.b.2.2, 44.480.16-44.b.2.3, 44.480.16-44.b.2.4, 88.480.16-44.b.2.1, 88.480.16-44.b.2.2, 88.480.16-44.b.2.3, 88.480.16-44.b.2.4, 132.480.16-44.b.2.1, 132.480.16-44.b.2.2, 132.480.16-44.b.2.3, 132.480.16-44.b.2.4, 220.480.16-44.b.2.1, 220.480.16-44.b.2.2, 220.480.16-44.b.2.3, 220.480.16-44.b.2.4, 264.480.16-44.b.2.1, 264.480.16-44.b.2.2, 264.480.16-44.b.2.3, 264.480.16-44.b.2.4, 308.480.16-44.b.2.1, 308.480.16-44.b.2.2, 308.480.16-44.b.2.3, 308.480.16-44.b.2.4
Cyclic 44-isogeny field degree: $6$
Cyclic 44-torsion field degree: $120$
Full 44-torsion field degree: $5280$

Jacobian

Conductor: $2^{60}\cdot11^{28}$
Simple: no
Squarefree: yes
Decomposition: $1^{2}\cdot2\cdot4\cdot8$
Newforms: 11.2.a.a, 176.2.a.a, 176.2.e.a, 1936.2.m.c, 1936.2.q.e

Rational points

This modular curve has no $\Q_p$ points for $p=5,13,37$, and therefore no rational points.

Modular covers

This modular curve minimally covers the modular curves listed below.

Covered curve Level Index Degree Genus Rank Kernel decomposition
44.48.4.b.2 $44$ $5$ $5$ $4$ $1$ $4\cdot8$
44.120.6.b.1 $44$ $2$ $2$ $6$ $5$ $2\cdot8$

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

Covering curve Level Index Degree Genus Rank Kernel decomposition
44.720.46.h.2 $44$ $3$ $3$ $46$ $5$ $1^{2}\cdot4^{3}\cdot16$
44.960.61.b.2 $44$ $4$ $4$ $61$ $5$ $1^{3}\cdot2\cdot4^{4}\cdot8\cdot16$
44.2640.191.br.1 $44$ $11$ $11$ $191$ $14$ $1^{7}\cdot2^{6}\cdot4^{13}\cdot8^{9}\cdot16^{2}$