Properties

Label 8.96.1-8.i.2.5
Level $8$
Index $96$
Genus $1$
Analytic rank $0$
Cusps $8$
$\Q$-cusps $2$

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Invariants

Level: $8$ $\SL_2$-level: $8$ Newform level: $32$
Index: $96$ $\PSL_2$-index:$48$
Genus: $1 = 1 + \frac{ 48 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 8 }{2}$
Cusps: $8$ (of which $2$ are rational) Cusp widths $4^{4}\cdot8^{4}$ Cusp orbits $1^{2}\cdot2^{3}$
Elliptic points: $0$ of order $2$ and $0$ of order $3$
Analytic rank: $0$
$\Q$-gonality: $2$
$\overline{\Q}$-gonality: $2$
Rational cusps: $2$
Rational CM points: none

Other labels

Cummins and Pauli (CP) label: 8G1
Rouse, Sutherland, and Zureick-Brown (RSZB) label: 8.96.1.136

Level structure

$\GL_2(\Z/8\Z)$-generators: $\begin{bmatrix}3&0\\0&7\end{bmatrix}$, $\begin{bmatrix}5&0\\4&3\end{bmatrix}$, $\begin{bmatrix}5&2\\4&5\end{bmatrix}$
$\GL_2(\Z/8\Z)$-subgroup: $C_2\times D_4$
Contains $-I$: no $\quad$ (see 8.48.1.i.2 for the level structure with $-I$)
Cyclic 8-isogeny field degree: $2$
Cyclic 8-torsion field degree: $4$
Full 8-torsion field degree: $16$

Jacobian

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

Models

Weierstrass model Weierstrass model

$ y^{2} $ $=$ $ x^{3} - 11x - 14 $
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Rational points

This modular curve has 2 rational cusps but no known non-cuspidal rational points. The following are the coordinates of the rational cusps on this modular curve.

Weierstrass model
$(-2:0:1)$, $(0:1:0)$

Maps to other modular curves

$j$-invariant map of degree 48 from the Weierstrass model of this modular curve to the modular curve $X(1)$ :

$\displaystyle j$ $=$ $\displaystyle \frac{24x^{2}y^{14}+424786x^{2}y^{12}z^{2}+1011536664x^{2}y^{10}z^{4}+588578534409x^{2}y^{8}z^{6}+109936935701376x^{2}y^{6}z^{8}+8365764142695129x^{2}y^{4}z^{10}+273771076691951604x^{2}y^{2}z^{12}+3203095830928031745x^{2}z^{14}+1036xy^{14}z+6584712xy^{12}z^{3}+10157502399xy^{10}z^{5}+4099344479562xy^{8}z^{7}+605868487863256xy^{6}z^{9}+39304781176502856xy^{4}z^{11}+1145262787644096537xy^{2}z^{13}+12262818962286313470xz^{15}+y^{16}+20112y^{14}z^{2}+86989668y^{12}z^{4}+78616007544y^{10}z^{6}+20141247406412y^{8}z^{8}+2007992773878816y^{6}z^{10}+89258362532785194y^{4}z^{12}+1745005629946200144y^{2}z^{14}+11713254600860499961z^{16}}{zy^{4}(287x^{2}y^{8}z+66800x^{2}y^{6}z^{3}+2293821x^{2}y^{4}z^{5}+4x^{2}y^{2}z^{7}+x^{2}z^{9}+xy^{10}+2390xy^{8}z^{2}+325308xy^{6}z^{4}+8781712xy^{4}z^{6}-7xy^{2}z^{8}-2xz^{10}+24y^{10}z+13046y^{8}z^{3}+776976y^{6}z^{5}+8388142y^{4}z^{7}-32y^{2}z^{9}-7z^{11})}$

Modular covers

This modular curve minimally covers the modular curves listed below.

Covered curve Level Index Degree Genus Rank Kernel decomposition
8.48.0-8.d.2.6 $8$ $2$ $2$ $0$ $0$ full Jacobian
8.48.0-8.d.2.10 $8$ $2$ $2$ $0$ $0$ full Jacobian
8.48.0-8.e.1.3 $8$ $2$ $2$ $0$ $0$ full Jacobian
8.48.0-8.e.1.5 $8$ $2$ $2$ $0$ $0$ full Jacobian
8.48.1-8.c.1.1 $8$ $2$ $2$ $1$ $0$ dimension zero
8.48.1-8.c.1.10 $8$ $2$ $2$ $1$ $0$ dimension zero

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

Covering curve Level Index Degree Genus Rank Kernel decomposition
8.192.1-8.b.2.3 $8$ $2$ $2$ $1$ $0$ dimension zero
8.192.1-8.c.1.1 $8$ $2$ $2$ $1$ $0$ dimension zero
8.192.1-8.g.1.3 $8$ $2$ $2$ $1$ $0$ dimension zero
8.192.1-8.h.2.3 $8$ $2$ $2$ $1$ $0$ dimension zero
16.192.5-16.m.2.7 $16$ $2$ $2$ $5$ $0$ $1^{2}\cdot2$
16.192.5-16.n.2.5 $16$ $2$ $2$ $5$ $0$ $1^{2}\cdot2$
16.192.5-16.p.2.7 $16$ $2$ $2$ $5$ $1$ $1^{2}\cdot2$
16.192.5-16.q.2.5 $16$ $2$ $2$ $5$ $1$ $1^{2}\cdot2$
24.192.1-24.i.1.3 $24$ $2$ $2$ $1$ $0$ dimension zero
24.192.1-24.j.2.3 $24$ $2$ $2$ $1$ $0$ dimension zero
24.192.1-24.t.2.5 $24$ $2$ $2$ $1$ $0$ dimension zero
24.192.1-24.u.1.1 $24$ $2$ $2$ $1$ $0$ dimension zero
24.288.9-24.df.2.10 $24$ $3$ $3$ $9$ $1$ $1^{4}\cdot2^{2}$
24.384.9-24.bs.1.9 $24$ $4$ $4$ $9$ $0$ $1^{4}\cdot2^{2}$
40.192.1-40.i.1.5 $40$ $2$ $2$ $1$ $0$ dimension zero
40.192.1-40.j.2.7 $40$ $2$ $2$ $1$ $0$ dimension zero
40.192.1-40.t.2.3 $40$ $2$ $2$ $1$ $0$ dimension zero
40.192.1-40.u.1.1 $40$ $2$ $2$ $1$ $0$ dimension zero
40.480.17-40.bb.2.8 $40$ $5$ $5$ $17$ $3$ $1^{6}\cdot2^{5}$
40.576.17-40.cc.2.1 $40$ $6$ $6$ $17$ $1$ $1^{6}\cdot2\cdot4^{2}$
40.960.33-40.fh.2.2 $40$ $10$ $10$ $33$ $5$ $1^{12}\cdot2^{6}\cdot4^{2}$
48.192.5-48.bj.2.2 $48$ $2$ $2$ $5$ $0$ $1^{2}\cdot2$
48.192.5-48.bk.1.13 $48$ $2$ $2$ $5$ $0$ $1^{2}\cdot2$
48.192.5-48.bp.2.2 $48$ $2$ $2$ $5$ $1$ $1^{2}\cdot2$
48.192.5-48.bq.1.13 $48$ $2$ $2$ $5$ $1$ $1^{2}\cdot2$
56.192.1-56.i.1.5 $56$ $2$ $2$ $1$ $0$ dimension zero
56.192.1-56.j.2.3 $56$ $2$ $2$ $1$ $0$ dimension zero
56.192.1-56.t.2.2 $56$ $2$ $2$ $1$ $0$ dimension zero
56.192.1-56.u.1.1 $56$ $2$ $2$ $1$ $0$ dimension zero
56.768.25-56.bs.1.1 $56$ $8$ $8$ $25$ $1$ $1^{8}\cdot2^{4}\cdot4^{2}$
56.2016.73-56.df.2.5 $56$ $21$ $21$ $73$ $9$ $1^{4}\cdot2^{14}\cdot4\cdot6^{2}\cdot12^{2}$
56.2688.97-56.df.2.1 $56$ $28$ $28$ $97$ $10$ $1^{12}\cdot2^{18}\cdot4^{3}\cdot6^{2}\cdot12^{2}$
80.192.5-80.bj.2.2 $80$ $2$ $2$ $5$ $?$ not computed
80.192.5-80.bk.1.9 $80$ $2$ $2$ $5$ $?$ not computed
80.192.5-80.bp.2.2 $80$ $2$ $2$ $5$ $?$ not computed
80.192.5-80.bq.1.9 $80$ $2$ $2$ $5$ $?$ not computed
88.192.1-88.i.1.3 $88$ $2$ $2$ $1$ $?$ dimension zero
88.192.1-88.j.2.3 $88$ $2$ $2$ $1$ $?$ dimension zero
88.192.1-88.t.2.3 $88$ $2$ $2$ $1$ $?$ dimension zero
88.192.1-88.u.2.1 $88$ $2$ $2$ $1$ $?$ dimension zero
104.192.1-104.i.1.5 $104$ $2$ $2$ $1$ $?$ dimension zero
104.192.1-104.j.2.7 $104$ $2$ $2$ $1$ $?$ dimension zero
104.192.1-104.t.2.3 $104$ $2$ $2$ $1$ $?$ dimension zero
104.192.1-104.u.1.1 $104$ $2$ $2$ $1$ $?$ dimension zero
112.192.5-112.bj.2.2 $112$ $2$ $2$ $5$ $?$ not computed
112.192.5-112.bk.1.13 $112$ $2$ $2$ $5$ $?$ not computed
112.192.5-112.bp.2.2 $112$ $2$ $2$ $5$ $?$ not computed
112.192.5-112.bq.1.13 $112$ $2$ $2$ $5$ $?$ not computed
120.192.1-120.be.2.6 $120$ $2$ $2$ $1$ $?$ dimension zero
120.192.1-120.bf.1.2 $120$ $2$ $2$ $1$ $?$ dimension zero
120.192.1-120.cd.1.4 $120$ $2$ $2$ $1$ $?$ dimension zero
120.192.1-120.ce.2.12 $120$ $2$ $2$ $1$ $?$ dimension zero
136.192.1-136.i.1.3 $136$ $2$ $2$ $1$ $?$ dimension zero
136.192.1-136.j.2.7 $136$ $2$ $2$ $1$ $?$ dimension zero
136.192.1-136.t.2.3 $136$ $2$ $2$ $1$ $?$ dimension zero
136.192.1-136.u.1.1 $136$ $2$ $2$ $1$ $?$ dimension zero
152.192.1-152.i.1.3 $152$ $2$ $2$ $1$ $?$ dimension zero
152.192.1-152.j.2.3 $152$ $2$ $2$ $1$ $?$ dimension zero
152.192.1-152.t.2.5 $152$ $2$ $2$ $1$ $?$ dimension zero
152.192.1-152.u.1.1 $152$ $2$ $2$ $1$ $?$ dimension zero
168.192.1-168.be.1.10 $168$ $2$ $2$ $1$ $?$ dimension zero
168.192.1-168.bf.2.7 $168$ $2$ $2$ $1$ $?$ dimension zero
168.192.1-168.cd.2.5 $168$ $2$ $2$ $1$ $?$ dimension zero
168.192.1-168.ce.1.5 $168$ $2$ $2$ $1$ $?$ dimension zero
176.192.5-176.bj.2.2 $176$ $2$ $2$ $5$ $?$ not computed
176.192.5-176.bk.1.13 $176$ $2$ $2$ $5$ $?$ not computed
176.192.5-176.bp.2.2 $176$ $2$ $2$ $5$ $?$ not computed
176.192.5-176.bq.1.13 $176$ $2$ $2$ $5$ $?$ not computed
184.192.1-184.i.1.5 $184$ $2$ $2$ $1$ $?$ dimension zero
184.192.1-184.j.2.3 $184$ $2$ $2$ $1$ $?$ dimension zero
184.192.1-184.t.2.3 $184$ $2$ $2$ $1$ $?$ dimension zero
184.192.1-184.u.2.1 $184$ $2$ $2$ $1$ $?$ dimension zero
208.192.5-208.bj.2.2 $208$ $2$ $2$ $5$ $?$ not computed
208.192.5-208.bk.1.9 $208$ $2$ $2$ $5$ $?$ not computed
208.192.5-208.bp.2.2 $208$ $2$ $2$ $5$ $?$ not computed
208.192.5-208.bq.1.9 $208$ $2$ $2$ $5$ $?$ not computed
232.192.1-232.i.1.3 $232$ $2$ $2$ $1$ $?$ dimension zero
232.192.1-232.j.2.7 $232$ $2$ $2$ $1$ $?$ dimension zero
232.192.1-232.t.2.3 $232$ $2$ $2$ $1$ $?$ dimension zero
232.192.1-232.u.1.1 $232$ $2$ $2$ $1$ $?$ dimension zero
240.192.5-240.eb.2.2 $240$ $2$ $2$ $5$ $?$ not computed
240.192.5-240.ec.1.29 $240$ $2$ $2$ $5$ $?$ not computed
240.192.5-240.eo.2.2 $240$ $2$ $2$ $5$ $?$ not computed
240.192.5-240.ep.1.29 $240$ $2$ $2$ $5$ $?$ not computed
248.192.1-248.i.1.5 $248$ $2$ $2$ $1$ $?$ dimension zero
248.192.1-248.j.2.3 $248$ $2$ $2$ $1$ $?$ dimension zero
248.192.1-248.t.2.2 $248$ $2$ $2$ $1$ $?$ dimension zero
248.192.1-248.u.2.1 $248$ $2$ $2$ $1$ $?$ dimension zero
264.192.1-264.be.1.6 $264$ $2$ $2$ $1$ $?$ dimension zero
264.192.1-264.bf.2.5 $264$ $2$ $2$ $1$ $?$ dimension zero
264.192.1-264.cd.2.5 $264$ $2$ $2$ $1$ $?$ dimension zero
264.192.1-264.ce.2.3 $264$ $2$ $2$ $1$ $?$ dimension zero
272.192.5-272.bj.2.4 $272$ $2$ $2$ $5$ $?$ not computed
272.192.5-272.bk.2.11 $272$ $2$ $2$ $5$ $?$ not computed
272.192.5-272.bp.2.4 $272$ $2$ $2$ $5$ $?$ not computed
272.192.5-272.bq.2.10 $272$ $2$ $2$ $5$ $?$ not computed
280.192.1-280.be.2.10 $280$ $2$ $2$ $1$ $?$ dimension zero
280.192.1-280.bf.1.4 $280$ $2$ $2$ $1$ $?$ dimension zero
280.192.1-280.cd.1.8 $280$ $2$ $2$ $1$ $?$ dimension zero
280.192.1-280.ce.2.6 $280$ $2$ $2$ $1$ $?$ dimension zero
296.192.1-296.i.1.3 $296$ $2$ $2$ $1$ $?$ dimension zero
296.192.1-296.j.2.7 $296$ $2$ $2$ $1$ $?$ dimension zero
296.192.1-296.t.2.5 $296$ $2$ $2$ $1$ $?$ dimension zero
296.192.1-296.u.1.1 $296$ $2$ $2$ $1$ $?$ dimension zero
304.192.5-304.bj.2.2 $304$ $2$ $2$ $5$ $?$ not computed
304.192.5-304.bk.1.13 $304$ $2$ $2$ $5$ $?$ not computed
304.192.5-304.bp.2.2 $304$ $2$ $2$ $5$ $?$ not computed
304.192.5-304.bq.1.13 $304$ $2$ $2$ $5$ $?$ not computed
312.192.1-312.be.1.6 $312$ $2$ $2$ $1$ $?$ dimension zero
312.192.1-312.bf.2.7 $312$ $2$ $2$ $1$ $?$ dimension zero
312.192.1-312.cd.2.5 $312$ $2$ $2$ $1$ $?$ dimension zero
312.192.1-312.ce.1.3 $312$ $2$ $2$ $1$ $?$ dimension zero
328.192.1-328.i.1.3 $328$ $2$ $2$ $1$ $?$ dimension zero
328.192.1-328.j.2.7 $328$ $2$ $2$ $1$ $?$ dimension zero
328.192.1-328.t.2.5 $328$ $2$ $2$ $1$ $?$ dimension zero
328.192.1-328.u.1.1 $328$ $2$ $2$ $1$ $?$ dimension zero