Properties

Label 16.48.1-16.b.1.2
Level $16$
Index $48$
Genus $1$
Analytic rank $0$
Cusps $4$
$\Q$-cusps $4$

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Invariants

Level: $16$ $\SL_2$-level: $16$ Newform level: $32$
Index: $48$ $\PSL_2$-index:$24$
Genus: $1 = 1 + \frac{ 24 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 4 }{2}$
Cusps: $4$ (all of which are rational) Cusp widths $2^{2}\cdot4\cdot16$ Cusp orbits $1^{4}$
Elliptic points: $0$ of order $2$ and $0$ of order $3$
Analytic rank: $0$
$\Q$-gonality: $2$
$\overline{\Q}$-gonality: $2$
Rational cusps: $4$
Rational CM points: none

Other labels

Cummins and Pauli (CP) label: 16A1
Rouse, Sutherland, and Zureick-Brown (RSZB) label: 16.48.1.15

Level structure

$\GL_2(\Z/16\Z)$-generators: $\begin{bmatrix}1&14\\8&3\end{bmatrix}$, $\begin{bmatrix}3&15\\0&1\end{bmatrix}$, $\begin{bmatrix}5&10\\0&9\end{bmatrix}$, $\begin{bmatrix}13&2\\8&15\end{bmatrix}$
Contains $-I$: no $\quad$ (see 16.24.1.b.1 for the level structure with $-I$)
Cyclic 16-isogeny field degree: $2$
Cyclic 16-torsion field degree: $8$
Full 16-torsion field degree: $512$

Jacobian

Conductor: $2^{5}$
Simple: yes
Squarefree: yes
Decomposition: $1$
Newforms: 32.2.a.a

Models

Weierstrass model Weierstrass model

$ y^{2} $ $=$ $ x^{3} - x $
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Rational points

This modular curve has 4 rational cusps but no known non-cuspidal rational points. The following are the coordinates of the rational cusps on this modular curve.

Weierstrass model
$(0:0:1)$, $(1:0:1)$, $(0:1:0)$, $(-1:0:1)$

Maps to other modular curves

$j$-invariant map of degree 24 from the Weierstrass model of this modular curve to the modular curve $X(1)$ :

$\displaystyle j$ $=$ $\displaystyle -2^4\,\frac{678x^{2}y^{4}z^{2}-4095x^{2}z^{6}-44xy^{6}z+4053xy^{2}z^{5}+y^{8}-4140y^{4}z^{4}+4096z^{8}}{zy^{2}(2x^{2}y^{2}z+xy^{4}+xz^{4}+y^{2}z^{3})}$

Modular covers

This modular curve minimally covers the modular curves listed below.

Covered curve Level Index Degree Genus Rank Kernel decomposition
8.24.0-8.n.1.12 $8$ $2$ $2$ $0$ $0$ full Jacobian
16.24.0-8.n.1.8 $16$ $2$ $2$ $0$ $0$ full Jacobian

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

Covering curve Level Index Degree Genus Rank Kernel decomposition
16.96.1-16.b.1.10 $16$ $2$ $2$ $1$ $0$ dimension zero
16.96.1-16.f.1.5 $16$ $2$ $2$ $1$ $0$ dimension zero
16.96.1-16.h.1.1 $16$ $2$ $2$ $1$ $0$ dimension zero
16.96.1-16.j.1.3 $16$ $2$ $2$ $1$ $0$ dimension zero
16.96.1-16.u.1.2 $16$ $2$ $2$ $1$ $0$ dimension zero
16.96.1-16.u.2.2 $16$ $2$ $2$ $1$ $0$ dimension zero
16.96.1-16.v.1.4 $16$ $2$ $2$ $1$ $0$ dimension zero
16.96.1-16.v.2.5 $16$ $2$ $2$ $1$ $0$ dimension zero
16.96.1-16.w.1.1 $16$ $2$ $2$ $1$ $0$ dimension zero
16.96.1-16.w.2.4 $16$ $2$ $2$ $1$ $0$ dimension zero
16.96.1-16.x.1.1 $16$ $2$ $2$ $1$ $0$ dimension zero
16.96.1-16.x.2.4 $16$ $2$ $2$ $1$ $0$ dimension zero
32.96.3-32.a.1.15 $32$ $2$ $2$ $3$ $0$ $2$
32.96.3-32.a.2.14 $32$ $2$ $2$ $3$ $0$ $2$
32.96.3-32.c.1.2 $32$ $2$ $2$ $3$ $0$ $1^{2}$
32.96.3-32.c.2.3 $32$ $2$ $2$ $3$ $0$ $1^{2}$
32.96.3-32.d.1.2 $32$ $2$ $2$ $3$ $1$ $1^{2}$
32.96.3-32.d.2.3 $32$ $2$ $2$ $3$ $1$ $1^{2}$
32.96.3-32.e.1.2 $32$ $2$ $2$ $3$ $0$ $2$
32.96.3-32.e.2.3 $32$ $2$ $2$ $3$ $0$ $2$
48.96.1-48.s.1.6 $48$ $2$ $2$ $1$ $0$ dimension zero
48.96.1-48.t.1.2 $48$ $2$ $2$ $1$ $0$ dimension zero
48.96.1-48.w.1.2 $48$ $2$ $2$ $1$ $0$ dimension zero
48.96.1-48.x.1.2 $48$ $2$ $2$ $1$ $0$ dimension zero
48.96.1-48.bk.1.3 $48$ $2$ $2$ $1$ $0$ dimension zero
48.96.1-48.bk.2.1 $48$ $2$ $2$ $1$ $0$ dimension zero
48.96.1-48.bl.1.3 $48$ $2$ $2$ $1$ $0$ dimension zero
48.96.1-48.bl.2.1 $48$ $2$ $2$ $1$ $0$ dimension zero
48.96.1-48.bm.1.1 $48$ $2$ $2$ $1$ $0$ dimension zero
48.96.1-48.bm.2.3 $48$ $2$ $2$ $1$ $0$ dimension zero
48.96.1-48.bn.1.1 $48$ $2$ $2$ $1$ $0$ dimension zero
48.96.1-48.bn.2.3 $48$ $2$ $2$ $1$ $0$ dimension zero
48.144.5-48.b.1.1 $48$ $3$ $3$ $5$ $1$ $1^{4}$
48.192.5-48.mi.1.2 $48$ $4$ $4$ $5$ $0$ $1^{4}$
80.96.1-80.s.1.9 $80$ $2$ $2$ $1$ $?$ dimension zero
80.96.1-80.t.1.1 $80$ $2$ $2$ $1$ $?$ dimension zero
80.96.1-80.w.1.5 $80$ $2$ $2$ $1$ $?$ dimension zero
80.96.1-80.x.1.1 $80$ $2$ $2$ $1$ $?$ dimension zero
80.96.1-80.bk.1.1 $80$ $2$ $2$ $1$ $?$ dimension zero
80.96.1-80.bk.2.3 $80$ $2$ $2$ $1$ $?$ dimension zero
80.96.1-80.bl.1.7 $80$ $2$ $2$ $1$ $?$ dimension zero
80.96.1-80.bl.2.9 $80$ $2$ $2$ $1$ $?$ dimension zero
80.96.1-80.bm.1.1 $80$ $2$ $2$ $1$ $?$ dimension zero
80.96.1-80.bm.2.5 $80$ $2$ $2$ $1$ $?$ dimension zero
80.96.1-80.bn.1.1 $80$ $2$ $2$ $1$ $?$ dimension zero
80.96.1-80.bn.2.5 $80$ $2$ $2$ $1$ $?$ dimension zero
80.240.9-80.b.1.3 $80$ $5$ $5$ $9$ $?$ not computed
80.288.9-80.j.1.6 $80$ $6$ $6$ $9$ $?$ not computed
80.480.17-80.cn.1.5 $80$ $10$ $10$ $17$ $?$ not computed
96.96.3-96.a.1.17 $96$ $2$ $2$ $3$ $?$ not computed
96.96.3-96.a.2.17 $96$ $2$ $2$ $3$ $?$ not computed
96.96.3-96.c.1.8 $96$ $2$ $2$ $3$ $?$ not computed
96.96.3-96.c.2.8 $96$ $2$ $2$ $3$ $?$ not computed
96.96.3-96.d.1.4 $96$ $2$ $2$ $3$ $?$ not computed
96.96.3-96.d.2.4 $96$ $2$ $2$ $3$ $?$ not computed
96.96.3-96.e.1.8 $96$ $2$ $2$ $3$ $?$ not computed
96.96.3-96.e.2.8 $96$ $2$ $2$ $3$ $?$ not computed
112.96.1-112.s.1.10 $112$ $2$ $2$ $1$ $?$ dimension zero
112.96.1-112.t.1.2 $112$ $2$ $2$ $1$ $?$ dimension zero
112.96.1-112.w.1.2 $112$ $2$ $2$ $1$ $?$ dimension zero
112.96.1-112.x.1.2 $112$ $2$ $2$ $1$ $?$ dimension zero
112.96.1-112.bk.1.1 $112$ $2$ $2$ $1$ $?$ dimension zero
112.96.1-112.bk.2.3 $112$ $2$ $2$ $1$ $?$ dimension zero
112.96.1-112.bl.1.2 $112$ $2$ $2$ $1$ $?$ dimension zero
112.96.1-112.bl.2.1 $112$ $2$ $2$ $1$ $?$ dimension zero
112.96.1-112.bm.1.1 $112$ $2$ $2$ $1$ $?$ dimension zero
112.96.1-112.bm.2.2 $112$ $2$ $2$ $1$ $?$ dimension zero
112.96.1-112.bn.1.1 $112$ $2$ $2$ $1$ $?$ dimension zero
112.96.1-112.bn.2.5 $112$ $2$ $2$ $1$ $?$ dimension zero
112.384.13-112.h.1.7 $112$ $8$ $8$ $13$ $?$ not computed
160.96.3-160.a.1.25 $160$ $2$ $2$ $3$ $?$ not computed
160.96.3-160.a.2.17 $160$ $2$ $2$ $3$ $?$ not computed
160.96.3-160.c.1.7 $160$ $2$ $2$ $3$ $?$ not computed
160.96.3-160.c.2.15 $160$ $2$ $2$ $3$ $?$ not computed
160.96.3-160.d.1.3 $160$ $2$ $2$ $3$ $?$ not computed
160.96.3-160.d.2.7 $160$ $2$ $2$ $3$ $?$ not computed
160.96.3-160.e.1.4 $160$ $2$ $2$ $3$ $?$ not computed
160.96.3-160.e.2.8 $160$ $2$ $2$ $3$ $?$ not computed
176.96.1-176.s.1.10 $176$ $2$ $2$ $1$ $?$ dimension zero
176.96.1-176.t.1.2 $176$ $2$ $2$ $1$ $?$ dimension zero
176.96.1-176.w.1.2 $176$ $2$ $2$ $1$ $?$ dimension zero
176.96.1-176.x.1.2 $176$ $2$ $2$ $1$ $?$ dimension zero
176.96.1-176.bk.1.3 $176$ $2$ $2$ $1$ $?$ dimension zero
176.96.1-176.bk.2.1 $176$ $2$ $2$ $1$ $?$ dimension zero
176.96.1-176.bl.1.2 $176$ $2$ $2$ $1$ $?$ dimension zero
176.96.1-176.bl.2.1 $176$ $2$ $2$ $1$ $?$ dimension zero
176.96.1-176.bm.1.1 $176$ $2$ $2$ $1$ $?$ dimension zero
176.96.1-176.bm.2.2 $176$ $2$ $2$ $1$ $?$ dimension zero
176.96.1-176.bn.1.1 $176$ $2$ $2$ $1$ $?$ dimension zero
176.96.1-176.bn.2.5 $176$ $2$ $2$ $1$ $?$ dimension zero
208.96.1-208.s.1.9 $208$ $2$ $2$ $1$ $?$ dimension zero
208.96.1-208.t.1.1 $208$ $2$ $2$ $1$ $?$ dimension zero
208.96.1-208.w.1.9 $208$ $2$ $2$ $1$ $?$ dimension zero
208.96.1-208.x.1.1 $208$ $2$ $2$ $1$ $?$ dimension zero
208.96.1-208.bk.1.3 $208$ $2$ $2$ $1$ $?$ dimension zero
208.96.1-208.bk.2.1 $208$ $2$ $2$ $1$ $?$ dimension zero
208.96.1-208.bl.1.2 $208$ $2$ $2$ $1$ $?$ dimension zero
208.96.1-208.bl.2.1 $208$ $2$ $2$ $1$ $?$ dimension zero
208.96.1-208.bm.1.1 $208$ $2$ $2$ $1$ $?$ dimension zero
208.96.1-208.bm.2.2 $208$ $2$ $2$ $1$ $?$ dimension zero
208.96.1-208.bn.1.1 $208$ $2$ $2$ $1$ $?$ dimension zero
208.96.1-208.bn.2.5 $208$ $2$ $2$ $1$ $?$ dimension zero
224.96.3-224.a.1.25 $224$ $2$ $2$ $3$ $?$ not computed
224.96.3-224.a.2.19 $224$ $2$ $2$ $3$ $?$ not computed
224.96.3-224.c.1.6 $224$ $2$ $2$ $3$ $?$ not computed
224.96.3-224.c.2.10 $224$ $2$ $2$ $3$ $?$ not computed
224.96.3-224.d.1.2 $224$ $2$ $2$ $3$ $?$ not computed
224.96.3-224.d.2.2 $224$ $2$ $2$ $3$ $?$ not computed
224.96.3-224.e.1.4 $224$ $2$ $2$ $3$ $?$ not computed
224.96.3-224.e.2.6 $224$ $2$ $2$ $3$ $?$ not computed
240.96.1-240.s.1.18 $240$ $2$ $2$ $1$ $?$ dimension zero
240.96.1-240.t.1.2 $240$ $2$ $2$ $1$ $?$ dimension zero
240.96.1-240.w.1.2 $240$ $2$ $2$ $1$ $?$ dimension zero
240.96.1-240.x.1.2 $240$ $2$ $2$ $1$ $?$ dimension zero
240.96.1-240.bk.1.1 $240$ $2$ $2$ $1$ $?$ dimension zero
240.96.1-240.bk.2.5 $240$ $2$ $2$ $1$ $?$ dimension zero
240.96.1-240.bl.1.5 $240$ $2$ $2$ $1$ $?$ dimension zero
240.96.1-240.bl.2.1 $240$ $2$ $2$ $1$ $?$ dimension zero
240.96.1-240.bm.1.1 $240$ $2$ $2$ $1$ $?$ dimension zero
240.96.1-240.bm.2.9 $240$ $2$ $2$ $1$ $?$ dimension zero
240.96.1-240.bn.1.1 $240$ $2$ $2$ $1$ $?$ dimension zero
240.96.1-240.bn.2.9 $240$ $2$ $2$ $1$ $?$ dimension zero
272.96.1-272.s.1.9 $272$ $2$ $2$ $1$ $?$ dimension zero
272.96.1-272.t.1.13 $272$ $2$ $2$ $1$ $?$ dimension zero
272.96.1-272.w.1.13 $272$ $2$ $2$ $1$ $?$ dimension zero
272.96.1-272.x.1.11 $272$ $2$ $2$ $1$ $?$ dimension zero
272.96.1-272.bk.1.8 $272$ $2$ $2$ $1$ $?$ dimension zero
272.96.1-272.bk.2.6 $272$ $2$ $2$ $1$ $?$ dimension zero
272.96.1-272.bl.1.12 $272$ $2$ $2$ $1$ $?$ dimension zero
272.96.1-272.bl.2.18 $272$ $2$ $2$ $1$ $?$ dimension zero
272.96.1-272.bm.1.6 $272$ $2$ $2$ $1$ $?$ dimension zero
272.96.1-272.bm.2.12 $272$ $2$ $2$ $1$ $?$ dimension zero
272.96.1-272.bn.1.4 $272$ $2$ $2$ $1$ $?$ dimension zero
272.96.1-272.bn.2.14 $272$ $2$ $2$ $1$ $?$ dimension zero
304.96.1-304.s.1.10 $304$ $2$ $2$ $1$ $?$ dimension zero
304.96.1-304.t.1.2 $304$ $2$ $2$ $1$ $?$ dimension zero
304.96.1-304.w.1.2 $304$ $2$ $2$ $1$ $?$ dimension zero
304.96.1-304.x.1.2 $304$ $2$ $2$ $1$ $?$ dimension zero
304.96.1-304.bk.1.3 $304$ $2$ $2$ $1$ $?$ dimension zero
304.96.1-304.bk.2.1 $304$ $2$ $2$ $1$ $?$ dimension zero
304.96.1-304.bl.1.2 $304$ $2$ $2$ $1$ $?$ dimension zero
304.96.1-304.bl.2.1 $304$ $2$ $2$ $1$ $?$ dimension zero
304.96.1-304.bm.1.1 $304$ $2$ $2$ $1$ $?$ dimension zero
304.96.1-304.bm.2.2 $304$ $2$ $2$ $1$ $?$ dimension zero
304.96.1-304.bn.1.1 $304$ $2$ $2$ $1$ $?$ dimension zero
304.96.1-304.bn.2.5 $304$ $2$ $2$ $1$ $?$ dimension zero