Properties

Label 14.2016.49-14.b.1.2
Level $14$
Index $2016$
Genus $49$
Analytic rank $1$
Cusps $72$
$\Q$-cusps $9$

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Invariants

Level: $14$ $\SL_2$-level: $14$ Newform level: $196$
Index: $2016$ $\PSL_2$-index:$1008$
Genus: $49 = 1 + \frac{ 1008 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 72 }{2}$
Cusps: $72$ (of which $9$ are rational) Cusp widths $14^{72}$ Cusp orbits $1^{9}\cdot3^{3}\cdot6^{9}$
Elliptic points: $0$ of order $2$ and $0$ of order $3$
Analytic rank: $1$
$\Q$-gonality: $10 \le \gamma \le 18$
$\overline{\Q}$-gonality: $10 \le \gamma \le 18$
Rational cusps: $9$
Rational CM points: none

Other labels

Rouse, Sutherland, and Zureick-Brown (RSZB) label: 14.2016.49.3

Level structure

$\GL_2(\Z/14\Z)$-generators: $\begin{bmatrix}3&0\\0&1\end{bmatrix}$
$\GL_2(\Z/14\Z)$-subgroup: $C_6$
Contains $-I$: no $\quad$ (see 14.1008.49.b.1 for the level structure with $-I$)
Cyclic 14-isogeny field degree: $1$
Cyclic 14-torsion field degree: $1$
Full 14-torsion field degree: $6$

Jacobian

Conductor: $2^{54}\cdot7^{90}$
Simple: no
Squarefree: no
Decomposition: $1^{11}\cdot2^{13}\cdot4^{3}$
Newforms: 14.2.a.a$^{4}$, 28.2.e.a$^{2}$, 49.2.a.a$^{3}$, 49.2.c.a$^{3}$, 98.2.a.a$^{2}$, 98.2.a.b$^{2}$, 98.2.c.a$^{2}$, 98.2.c.b$^{2}$, 98.2.c.c$^{2}$, 196.2.a.a, 196.2.a.b, 196.2.a.c, 196.2.e.a, 196.2.e.b

Rational points

This modular curve has 9 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 Kernel decomposition
$X(2)$ $2$ $336$ $168$ $0$ $0$ full Jacobian
$X_{\mathrm{arith}}(7)$ $7$ $6$ $6$ $3$ $0$ $1^{10}\cdot2^{12}\cdot4^{3}$

This modular curve minimally covers the modular curves listed below.

Covered curve Level Index Degree Genus Rank Kernel decomposition
$X_1(2,14)$ $14$ $7$ $7$ $4$ $0$ $1^{9}\cdot2^{12}\cdot4^{3}$
14.288.4-14.a.2.2 $14$ $7$ $7$ $4$ $0$ $1^{9}\cdot2^{12}\cdot4^{3}$
14.672.15-14.a.1.1 $14$ $3$ $3$ $15$ $1$ $1^{8}\cdot2^{9}\cdot4^{2}$
14.672.17-14.a.1.1 $14$ $3$ $3$ $17$ $1$ $2^{10}\cdot4^{3}$
14.672.17-14.d.1.2 $14$ $3$ $3$ $17$ $1$ $1^{8}\cdot2^{8}\cdot4^{2}$
14.1008.19-14.b.1.1 $14$ $2$ $2$ $19$ $0$ $1^{6}\cdot2^{8}\cdot4^{2}$
14.1008.19-14.b.1.4 $14$ $2$ $2$ $19$ $0$ $1^{6}\cdot2^{8}\cdot4^{2}$

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

Covering curve Level Index Degree Genus Rank Kernel decomposition
28.4032.109-28.b.1.1 $28$ $2$ $2$ $109$ $1$ $2^{2}\cdot4^{6}\cdot8^{2}\cdot16$
28.4032.109-28.c.1.2 $28$ $2$ $2$ $109$ $1$ $2^{2}\cdot4^{6}\cdot8^{2}\cdot16$
28.4032.121-28.i.1.4 $28$ $2$ $2$ $121$ $10$ $1^{16}\cdot2^{20}\cdot4^{4}$
28.4032.121-28.j.1.4 $28$ $2$ $2$ $121$ $5$ $1^{16}\cdot2^{20}\cdot4^{4}$
28.4032.121-28.k.1.4 $28$ $2$ $2$ $121$ $10$ $1^{16}\cdot2^{20}\cdot4^{4}$
28.4032.121-28.l.1.3 $28$ $2$ $2$ $121$ $6$ $1^{16}\cdot2^{20}\cdot4^{4}$
28.4032.133-28.l.1.4 $28$ $2$ $2$ $133$ $5$ $2^{16}\cdot4^{5}\cdot8^{4}$
28.4032.133-28.m.1.4 $28$ $2$ $2$ $133$ $5$ $2^{16}\cdot4^{5}\cdot8^{4}$
42.6048.217-42.k.1.2 $42$ $3$ $3$ $217$ $14$ $1^{20}\cdot2^{42}\cdot4^{14}\cdot8$
42.8064.265-42.c.1.2 $42$ $4$ $4$ $265$ $14$ $1^{54}\cdot2^{63}\cdot4^{9}$
56.4032.109-56.b.1.2 $56$ $2$ $2$ $109$ $1$ $2^{2}\cdot4^{6}\cdot8^{2}\cdot16$
56.4032.109-56.c.1.3 $56$ $2$ $2$ $109$ $1$ $2^{2}\cdot4^{6}\cdot8^{2}\cdot16$
56.4032.121-56.y.1.4 $56$ $2$ $2$ $121$ $12$ $1^{16}\cdot2^{20}\cdot4^{4}$
56.4032.121-56.z.1.4 $56$ $2$ $2$ $121$ $18$ $1^{16}\cdot2^{20}\cdot4^{4}$
56.4032.121-56.ba.1.8 $56$ $2$ $2$ $121$ $11$ $1^{16}\cdot2^{20}\cdot4^{4}$
56.4032.121-56.bb.1.4 $56$ $2$ $2$ $121$ $20$ $1^{16}\cdot2^{20}\cdot4^{4}$
56.4032.133-56.cd.1.9 $56$ $2$ $2$ $133$ $7$ $2^{16}\cdot4^{5}\cdot8^{4}$
56.4032.133-56.ce.1.13 $56$ $2$ $2$ $133$ $9$ $2^{16}\cdot4^{5}\cdot8^{4}$
70.10080.385-70.t.1.2 $70$ $5$ $5$ $385$ $51$ $1^{36}\cdot2^{44}\cdot3^{8}\cdot4^{17}\cdot6^{12}\cdot8^{6}$
70.12096.433-70.g.1.2 $70$ $6$ $6$ $433$ $34$ $1^{68}\cdot2^{98}\cdot4^{30}$
70.20160.769-70.p.1.3 $70$ $10$ $10$ $769$ $99$ $1^{104}\cdot2^{142}\cdot3^{8}\cdot4^{47}\cdot6^{12}\cdot8^{6}$