Properties

Label 8.192.1-8.g.2.5
Level $8$
Index $192$
Genus $1$
Analytic rank $0$
Cusps $16$
$\Q$-cusps $4$

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Invariants

Level: $8$ $\SL_2$-level: $8$ Newform level: $32$
Index: $192$ $\PSL_2$-index:$96$
Genus: $1 = 1 + \frac{ 96 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 16 }{2}$
Cusps: $16$ (of which $4$ are rational) Cusp widths $4^{8}\cdot8^{8}$ Cusp orbits $1^{4}\cdot2^{4}\cdot4$
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: 8K1
Rouse, Sutherland, and Zureick-Brown (RSZB) label: 8.192.1.7

Level structure

$\GL_2(\Z/8\Z)$-generators: $\begin{bmatrix}1&0\\0&3\end{bmatrix}$, $\begin{bmatrix}1&0\\0&5\end{bmatrix}$, $\begin{bmatrix}1&4\\0&1\end{bmatrix}$
$\GL_2(\Z/8\Z)$-subgroup: $C_2^3$
Contains $-I$: no $\quad$ (see 8.96.1.g.2 for the level structure with $-I$)
Cyclic 8-isogeny field degree: $1$
Cyclic 8-torsion field degree: $1$
Full 8-torsion field degree: $8$

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

Maps to other modular curves

$j$-invariant map of degree 96 from the Weierstrass model of this modular curve to the modular curve $X(1)$ :

$\displaystyle j$ $=$ $\displaystyle \frac{708x^{2}y^{28}z^{2}-477870x^{2}y^{24}z^{6}+39545991x^{2}y^{20}z^{10}+258743115x^{2}y^{16}z^{14}+1130374344x^{2}y^{12}z^{18}+2157968565x^{2}y^{8}z^{22}+754974741x^{2}y^{4}z^{26}+16777215x^{2}z^{30}-8xy^{30}z+161586xy^{26}z^{5}-643608xy^{22}z^{9}+160418057xy^{18}z^{13}+1015012944xy^{14}z^{17}+2422211385xy^{10}z^{21}+2013265900xy^{6}z^{25}+184549377xy^{2}z^{29}+y^{32}-4152y^{28}z^{4}+12539228y^{24}z^{8}+76473134y^{20}z^{12}+457376604y^{16}z^{16}+1203755024y^{12}z^{20}+1409287006y^{8}z^{24}+167772138y^{4}z^{28}+z^{32}}{z^{2}y^{8}(x^{2}y^{20}+157x^{2}y^{16}z^{4}-16620x^{2}y^{12}z^{8}+311305x^{2}y^{8}z^{12}+983053x^{2}y^{4}z^{16}+65535x^{2}z^{20}-49xy^{18}z^{3}+200xy^{14}z^{7}+16365xy^{10}z^{11}+1310708xy^{6}z^{15}+458753xy^{2}z^{19}-6y^{20}z^{2}+1222y^{16}z^{6}-32504y^{12}z^{10}+655362y^{8}z^{14}+393202y^{4}z^{18}+z^{22})}$

Modular covers

This modular curve minimally covers the modular curves listed below.

Covered curve Level Index Degree Genus Rank Kernel decomposition
8.96.0-8.b.2.3 $8$ $2$ $2$ $0$ $0$ full Jacobian
8.96.0-8.b.2.9 $8$ $2$ $2$ $0$ $0$ full Jacobian
8.96.0-8.c.1.1 $8$ $2$ $2$ $0$ $0$ full Jacobian
8.96.0-8.c.1.3 $8$ $2$ $2$ $0$ $0$ full Jacobian
8.96.0-8.k.2.4 $8$ $2$ $2$ $0$ $0$ full Jacobian
8.96.0-8.k.2.5 $8$ $2$ $2$ $0$ $0$ full Jacobian
$X_1(2,8)$ $8$ $2$ $2$ $0$ $0$ full Jacobian
8.96.0-8.l.2.5 $8$ $2$ $2$ $0$ $0$ full Jacobian
8.96.1-8.h.1.5 $8$ $2$ $2$ $1$ $0$ dimension zero
8.96.1-8.h.1.11 $8$ $2$ $2$ $1$ $0$ dimension zero
8.96.1-8.i.1.1 $8$ $2$ $2$ $1$ $0$ dimension zero
8.96.1-8.i.1.4 $8$ $2$ $2$ $1$ $0$ dimension zero
8.96.1-8.k.1.1 $8$ $2$ $2$ $1$ $0$ dimension zero
8.96.1-8.k.1.4 $8$ $2$ $2$ $1$ $0$ 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
$X_{\mathrm{arith}}(8)$ $8$ $2$ $2$ $5$ $0$ $1^{2}\cdot2$
8.384.5-8.d.3.1 $8$ $2$ $2$ $5$ $0$ $1^{2}\cdot2$
16.384.5-16.a.2.1 $16$ $2$ $2$ $5$ $0$ $2^{2}$
16.384.5-16.d.2.2 $16$ $2$ $2$ $5$ $0$ $2^{2}$
16.384.5-16.k.3.6 $16$ $2$ $2$ $5$ $0$ $2^{2}$
16.384.5-16.k.4.2 $16$ $2$ $2$ $5$ $0$ $2^{2}$
16.384.5-16.k.5.2 $16$ $2$ $2$ $5$ $0$ $2^{2}$
16.384.5-16.l.4.5 $16$ $2$ $2$ $5$ $0$ $2^{2}$
16.384.5-16.l.5.1 $16$ $2$ $2$ $5$ $0$ $2^{2}$
16.384.5-16.l.6.1 $16$ $2$ $2$ $5$ $0$ $2^{2}$
16.384.5-16.m.3.1 $16$ $2$ $2$ $5$ $0$ $1^{2}\cdot2$
16.384.5-16.m.4.1 $16$ $2$ $2$ $5$ $0$ $1^{2}\cdot2$
16.384.5-16.u.2.2 $16$ $2$ $2$ $5$ $0$ $2^{2}$
16.384.5-16.x.2.1 $16$ $2$ $2$ $5$ $0$ $2^{2}$
16.384.9-16.bq.1.2 $16$ $2$ $2$ $9$ $1$ $1^{4}\cdot2^{2}$
16.384.9-16.bq.2.2 $16$ $2$ $2$ $9$ $1$ $1^{4}\cdot2^{2}$
24.384.5-24.bj.1.1 $24$ $2$ $2$ $5$ $1$ $1^{2}\cdot2$
24.384.5-24.bj.3.1 $24$ $2$ $2$ $5$ $1$ $1^{2}\cdot2$
24.576.17-24.pg.1.1 $24$ $3$ $3$ $17$ $1$ $1^{8}\cdot2^{4}$
24.768.17-24.fw.1.2 $24$ $4$ $4$ $17$ $0$ $1^{8}\cdot2^{4}$
40.384.5-40.bb.1.1 $40$ $2$ $2$ $5$ $1$ $1^{2}\cdot2$
40.384.5-40.bb.3.1 $40$ $2$ $2$ $5$ $1$ $1^{2}\cdot2$
40.960.33-40.cw.1.1 $40$ $5$ $5$ $33$ $5$ $1^{14}\cdot2^{9}$
40.1152.33-40.jy.1.1 $40$ $6$ $6$ $33$ $1$ $1^{14}\cdot2\cdot4^{4}$
40.1920.65-40.ns.2.13 $40$ $10$ $10$ $65$ $9$ $1^{28}\cdot2^{10}\cdot4^{4}$
48.384.5-48.i.2.2 $48$ $2$ $2$ $5$ $0$ $2^{2}$
48.384.5-48.l.2.3 $48$ $2$ $2$ $5$ $0$ $2^{2}$
48.384.5-48.bn.3.1 $48$ $2$ $2$ $5$ $0$ $2^{2}$
48.384.5-48.bn.4.1 $48$ $2$ $2$ $5$ $0$ $2^{2}$
48.384.5-48.bn.6.1 $48$ $2$ $2$ $5$ $0$ $2^{2}$
48.384.5-48.bo.4.1 $48$ $2$ $2$ $5$ $0$ $2^{2}$
48.384.5-48.bo.5.1 $48$ $2$ $2$ $5$ $0$ $2^{2}$
48.384.5-48.bo.6.1 $48$ $2$ $2$ $5$ $0$ $2^{2}$
48.384.5-48.bp.3.2 $48$ $2$ $2$ $5$ $1$ $1^{2}\cdot2$
48.384.5-48.bp.4.2 $48$ $2$ $2$ $5$ $1$ $1^{2}\cdot2$
48.384.5-48.cw.2.1 $48$ $2$ $2$ $5$ $0$ $2^{2}$
48.384.5-48.cz.2.9 $48$ $2$ $2$ $5$ $0$ $2^{2}$
48.384.9-48.ga.1.2 $48$ $2$ $2$ $9$ $1$ $1^{4}\cdot2^{2}$
48.384.9-48.ga.2.2 $48$ $2$ $2$ $9$ $1$ $1^{4}\cdot2^{2}$
56.384.5-56.bb.1.1 $56$ $2$ $2$ $5$ $2$ $1^{2}\cdot2$
56.384.5-56.bb.3.1 $56$ $2$ $2$ $5$ $2$ $1^{2}\cdot2$
56.1536.49-56.fw.1.2 $56$ $8$ $8$ $49$ $3$ $1^{20}\cdot2^{6}\cdot4^{4}$
56.4032.145-56.pk.1.1 $56$ $21$ $21$ $145$ $19$ $1^{16}\cdot2^{26}\cdot4\cdot6^{4}\cdot12^{4}$
56.5376.193-56.qe.1.7 $56$ $28$ $28$ $193$ $22$ $1^{36}\cdot2^{32}\cdot4^{5}\cdot6^{4}\cdot12^{4}$
80.384.5-80.ba.2.1 $80$ $2$ $2$ $5$ $?$ not computed
80.384.5-80.bd.2.9 $80$ $2$ $2$ $5$ $?$ not computed
80.384.5-80.cz.2.9 $80$ $2$ $2$ $5$ $?$ not computed
80.384.5-80.cz.5.9 $80$ $2$ $2$ $5$ $?$ not computed
80.384.5-80.cz.6.1 $80$ $2$ $2$ $5$ $?$ not computed
80.384.5-80.da.3.1 $80$ $2$ $2$ $5$ $?$ not computed
80.384.5-80.da.4.1 $80$ $2$ $2$ $5$ $?$ not computed
80.384.5-80.da.6.5 $80$ $2$ $2$ $5$ $?$ not computed
80.384.5-80.db.3.9 $80$ $2$ $2$ $5$ $?$ not computed
80.384.5-80.db.4.9 $80$ $2$ $2$ $5$ $?$ not computed
80.384.5-80.eu.2.10 $80$ $2$ $2$ $5$ $?$ not computed
80.384.5-80.ex.1.11 $80$ $2$ $2$ $5$ $?$ not computed
80.384.9-80.jo.1.1 $80$ $2$ $2$ $9$ $?$ not computed
80.384.9-80.jo.2.1 $80$ $2$ $2$ $9$ $?$ not computed
88.384.5-88.bb.1.1 $88$ $2$ $2$ $5$ $?$ not computed
88.384.5-88.bb.3.1 $88$ $2$ $2$ $5$ $?$ not computed
104.384.5-104.bb.1.1 $104$ $2$ $2$ $5$ $?$ not computed
104.384.5-104.bb.3.1 $104$ $2$ $2$ $5$ $?$ not computed
112.384.5-112.i.2.2 $112$ $2$ $2$ $5$ $?$ not computed
112.384.5-112.l.2.3 $112$ $2$ $2$ $5$ $?$ not computed
112.384.5-112.bn.3.1 $112$ $2$ $2$ $5$ $?$ not computed
112.384.5-112.bn.4.1 $112$ $2$ $2$ $5$ $?$ not computed
112.384.5-112.bn.6.1 $112$ $2$ $2$ $5$ $?$ not computed
112.384.5-112.bo.4.1 $112$ $2$ $2$ $5$ $?$ not computed
112.384.5-112.bo.5.1 $112$ $2$ $2$ $5$ $?$ not computed
112.384.5-112.bo.6.1 $112$ $2$ $2$ $5$ $?$ not computed
112.384.5-112.bp.3.1 $112$ $2$ $2$ $5$ $?$ not computed
112.384.5-112.bp.4.1 $112$ $2$ $2$ $5$ $?$ not computed
112.384.5-112.cw.2.1 $112$ $2$ $2$ $5$ $?$ not computed
112.384.5-112.cz.1.9 $112$ $2$ $2$ $5$ $?$ not computed
112.384.9-112.ga.1.1 $112$ $2$ $2$ $9$ $?$ not computed
112.384.9-112.ga.2.1 $112$ $2$ $2$ $9$ $?$ not computed
120.384.5-120.hv.1.1 $120$ $2$ $2$ $5$ $?$ not computed
120.384.5-120.hv.2.1 $120$ $2$ $2$ $5$ $?$ not computed
136.384.5-136.bb.1.1 $136$ $2$ $2$ $5$ $?$ not computed
136.384.5-136.bb.3.1 $136$ $2$ $2$ $5$ $?$ not computed
152.384.5-152.bb.1.1 $152$ $2$ $2$ $5$ $?$ not computed
152.384.5-152.bb.3.1 $152$ $2$ $2$ $5$ $?$ not computed
168.384.5-168.hv.1.1 $168$ $2$ $2$ $5$ $?$ not computed
168.384.5-168.hv.3.1 $168$ $2$ $2$ $5$ $?$ not computed
176.384.5-176.i.2.2 $176$ $2$ $2$ $5$ $?$ not computed
176.384.5-176.l.2.3 $176$ $2$ $2$ $5$ $?$ not computed
176.384.5-176.bn.3.1 $176$ $2$ $2$ $5$ $?$ not computed
176.384.5-176.bn.4.1 $176$ $2$ $2$ $5$ $?$ not computed
176.384.5-176.bn.6.1 $176$ $2$ $2$ $5$ $?$ not computed
176.384.5-176.bo.4.1 $176$ $2$ $2$ $5$ $?$ not computed
176.384.5-176.bo.5.1 $176$ $2$ $2$ $5$ $?$ not computed
176.384.5-176.bo.6.1 $176$ $2$ $2$ $5$ $?$ not computed
176.384.5-176.bp.3.2 $176$ $2$ $2$ $5$ $?$ not computed
176.384.5-176.bp.4.2 $176$ $2$ $2$ $5$ $?$ not computed
176.384.5-176.cw.2.1 $176$ $2$ $2$ $5$ $?$ not computed
176.384.5-176.cz.2.9 $176$ $2$ $2$ $5$ $?$ not computed
176.384.9-176.ga.1.2 $176$ $2$ $2$ $9$ $?$ not computed
176.384.9-176.ga.2.2 $176$ $2$ $2$ $9$ $?$ not computed
184.384.5-184.bb.1.1 $184$ $2$ $2$ $5$ $?$ not computed
184.384.5-184.bb.3.1 $184$ $2$ $2$ $5$ $?$ not computed
208.384.5-208.v.2.1 $208$ $2$ $2$ $5$ $?$ not computed
208.384.5-208.y.1.9 $208$ $2$ $2$ $5$ $?$ not computed
208.384.5-208.cz.1.9 $208$ $2$ $2$ $5$ $?$ not computed
208.384.5-208.cz.5.9 $208$ $2$ $2$ $5$ $?$ not computed
208.384.5-208.cz.6.1 $208$ $2$ $2$ $5$ $?$ not computed
208.384.5-208.da.3.1 $208$ $2$ $2$ $5$ $?$ not computed
208.384.5-208.da.4.1 $208$ $2$ $2$ $5$ $?$ not computed
208.384.5-208.da.6.5 $208$ $2$ $2$ $5$ $?$ not computed
208.384.5-208.db.2.9 $208$ $2$ $2$ $5$ $?$ not computed
208.384.5-208.db.4.9 $208$ $2$ $2$ $5$ $?$ not computed
208.384.5-208.ez.2.10 $208$ $2$ $2$ $5$ $?$ not computed
208.384.5-208.fc.1.11 $208$ $2$ $2$ $5$ $?$ not computed
208.384.9-208.jo.1.1 $208$ $2$ $2$ $9$ $?$ not computed
208.384.9-208.jo.3.1 $208$ $2$ $2$ $9$ $?$ not computed
232.384.5-232.bb.1.1 $232$ $2$ $2$ $5$ $?$ not computed
232.384.5-232.bb.3.1 $232$ $2$ $2$ $5$ $?$ not computed
240.384.5-240.de.1.22 $240$ $2$ $2$ $5$ $?$ not computed
240.384.5-240.dh.2.18 $240$ $2$ $2$ $5$ $?$ not computed
240.384.5-240.hz.2.17 $240$ $2$ $2$ $5$ $?$ not computed
240.384.5-240.hz.4.17 $240$ $2$ $2$ $5$ $?$ not computed
240.384.5-240.hz.6.1 $240$ $2$ $2$ $5$ $?$ not computed
240.384.5-240.ia.3.1 $240$ $2$ $2$ $5$ $?$ not computed
240.384.5-240.ia.4.1 $240$ $2$ $2$ $5$ $?$ not computed
240.384.5-240.ia.6.9 $240$ $2$ $2$ $5$ $?$ not computed
240.384.5-240.ib.3.17 $240$ $2$ $2$ $5$ $?$ not computed
240.384.5-240.ib.4.17 $240$ $2$ $2$ $5$ $?$ not computed
240.384.5-240.os.2.17 $240$ $2$ $2$ $5$ $?$ not computed
240.384.5-240.ov.1.17 $240$ $2$ $2$ $5$ $?$ not computed
240.384.9-240.bja.1.1 $240$ $2$ $2$ $9$ $?$ not computed
240.384.9-240.bja.2.1 $240$ $2$ $2$ $9$ $?$ not computed
248.384.5-248.bb.1.1 $248$ $2$ $2$ $5$ $?$ not computed
248.384.5-248.bb.3.1 $248$ $2$ $2$ $5$ $?$ not computed
264.384.5-264.hv.1.1 $264$ $2$ $2$ $5$ $?$ not computed
264.384.5-264.hv.3.1 $264$ $2$ $2$ $5$ $?$ not computed
272.384.5-272.i.2.1 $272$ $2$ $2$ $5$ $?$ not computed
272.384.5-272.l.2.9 $272$ $2$ $2$ $5$ $?$ not computed
272.384.5-272.cz.2.9 $272$ $2$ $2$ $5$ $?$ not computed
272.384.5-272.cz.5.9 $272$ $2$ $2$ $5$ $?$ not computed
272.384.5-272.cz.6.1 $272$ $2$ $2$ $5$ $?$ not computed
272.384.5-272.da.3.1 $272$ $2$ $2$ $5$ $?$ not computed
272.384.5-272.da.4.1 $272$ $2$ $2$ $5$ $?$ not computed
272.384.5-272.da.6.5 $272$ $2$ $2$ $5$ $?$ not computed
272.384.5-272.db.3.9 $272$ $2$ $2$ $5$ $?$ not computed
272.384.5-272.db.4.9 $272$ $2$ $2$ $5$ $?$ not computed
272.384.5-272.fm.2.10 $272$ $2$ $2$ $5$ $?$ not computed
272.384.5-272.fp.1.11 $272$ $2$ $2$ $5$ $?$ not computed
272.384.9-272.jo.1.2 $272$ $2$ $2$ $9$ $?$ not computed
272.384.9-272.jo.2.2 $272$ $2$ $2$ $9$ $?$ not computed
280.384.5-280.hn.1.1 $280$ $2$ $2$ $5$ $?$ not computed
280.384.5-280.hn.2.1 $280$ $2$ $2$ $5$ $?$ not computed
296.384.5-296.bb.1.1 $296$ $2$ $2$ $5$ $?$ not computed
296.384.5-296.bb.3.1 $296$ $2$ $2$ $5$ $?$ not computed
304.384.5-304.i.2.2 $304$ $2$ $2$ $5$ $?$ not computed
304.384.5-304.l.2.3 $304$ $2$ $2$ $5$ $?$ not computed
304.384.5-304.bn.3.1 $304$ $2$ $2$ $5$ $?$ not computed
304.384.5-304.bn.4.1 $304$ $2$ $2$ $5$ $?$ not computed
304.384.5-304.bn.6.1 $304$ $2$ $2$ $5$ $?$ not computed
304.384.5-304.bo.4.1 $304$ $2$ $2$ $5$ $?$ not computed
304.384.5-304.bo.5.1 $304$ $2$ $2$ $5$ $?$ not computed
304.384.5-304.bo.6.1 $304$ $2$ $2$ $5$ $?$ not computed
304.384.5-304.bp.3.2 $304$ $2$ $2$ $5$ $?$ not computed
304.384.5-304.bp.4.2 $304$ $2$ $2$ $5$ $?$ not computed
304.384.5-304.cw.2.1 $304$ $2$ $2$ $5$ $?$ not computed
304.384.5-304.cz.2.9 $304$ $2$ $2$ $5$ $?$ not computed
304.384.9-304.ga.1.2 $304$ $2$ $2$ $9$ $?$ not computed
304.384.9-304.ga.2.2 $304$ $2$ $2$ $9$ $?$ not computed
312.384.5-312.hv.1.1 $312$ $2$ $2$ $5$ $?$ not computed
312.384.5-312.hv.3.1 $312$ $2$ $2$ $5$ $?$ not computed
328.384.5-328.bb.1.1 $328$ $2$ $2$ $5$ $?$ not computed
328.384.5-328.bb.3.1 $328$ $2$ $2$ $5$ $?$ not computed