Properties

Label 84.48.1-12.l.1.4
Level $84$
Index $48$
Genus $1$
Cusps $4$
$\Q$-cusps $4$

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Invariants

Level: $84$ $\SL_2$-level: $12$ Newform level: $48$
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 $2\cdot4\cdot6\cdot12$ Cusp orbits $1^{4}$
Elliptic points: $0$ of order $2$ and $0$ of order $3$
Analytic rank: not computed
$\Q$-gonality: $2$
$\overline{\Q}$-gonality: $2$
Rational cusps: $4$
Rational CM points: none

Other labels

Cummins and Pauli (CP) label: 12F1

Level structure

$\GL_2(\Z/84\Z)$-generators: $\begin{bmatrix}24&7\\23&4\end{bmatrix}$, $\begin{bmatrix}50&9\\29&10\end{bmatrix}$, $\begin{bmatrix}70&83\\55&18\end{bmatrix}$, $\begin{bmatrix}73&18\\78&19\end{bmatrix}$, $\begin{bmatrix}75&22\\70&3\end{bmatrix}$
Contains $-I$: no $\quad$ (see 12.24.1.l.1 for the level structure with $-I$)
Cyclic 84-isogeny field degree: $16$
Cyclic 84-torsion field degree: $384$
Full 84-torsion field degree: $193536$

Jacobian

Conductor: $?$
Simple: yes
Squarefree: yes
Decomposition: $1$
Newforms: 48.2.a.a

Models

Weierstrass model Weierstrass model

$ y^{2} $ $=$ $ x^{3} + x^{2} - 24x + 36 $
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Rational points

This modular curve is an elliptic curve, but the rank has not been computed

Maps to other modular curves

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

$\displaystyle j$ $=$ $\displaystyle \frac{4x^{2}y^{6}-303x^{2}y^{4}z^{2}+6128x^{2}y^{2}z^{4}-41041x^{2}z^{6}-30xy^{6}z+1518xy^{4}z^{3}-30793xy^{2}z^{5}+208572xz^{7}-y^{8}+82y^{6}z^{2}-2599y^{4}z^{4}+41089y^{2}z^{6}-257076z^{8}}{z^{4}y^{2}(8x^{2}-40xz-y^{2}+48z^{2})}$

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
4.6.0.e.1 $4$ $8$ $4$ $0$ $0$ full Jacobian
21.8.0-3.a.1.2 $21$ $6$ $6$ $0$ $0$ full Jacobian

This modular curve minimally covers the modular curves listed below.

Covered curve Level Index Degree Genus Rank Kernel decomposition
42.24.0-6.a.1.4 $42$ $2$ $2$ $0$ $0$ full Jacobian
84.24.0-6.a.1.8 $84$ $2$ $2$ $0$ $?$ 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
84.96.1-12.a.1.12 $84$ $2$ $2$ $1$ $?$ dimension zero
84.96.1-12.h.1.10 $84$ $2$ $2$ $1$ $?$ dimension zero
84.96.1-12.o.1.6 $84$ $2$ $2$ $1$ $?$ dimension zero
84.96.1-12.p.1.6 $84$ $2$ $2$ $1$ $?$ dimension zero
84.96.1-84.bq.1.2 $84$ $2$ $2$ $1$ $?$ dimension zero
84.96.1-84.br.1.3 $84$ $2$ $2$ $1$ $?$ dimension zero
84.96.1-84.bu.1.9 $84$ $2$ $2$ $1$ $?$ dimension zero
84.96.1-84.bv.1.9 $84$ $2$ $2$ $1$ $?$ dimension zero
84.96.2-12.c.1.2 $84$ $2$ $2$ $2$ $?$ not computed
84.96.2-12.d.1.4 $84$ $2$ $2$ $2$ $?$ not computed
84.96.2-12.e.1.2 $84$ $2$ $2$ $2$ $?$ not computed
84.96.2-12.f.1.4 $84$ $2$ $2$ $2$ $?$ not computed
84.96.2-84.l.1.6 $84$ $2$ $2$ $2$ $?$ not computed
84.96.2-84.m.1.2 $84$ $2$ $2$ $2$ $?$ not computed
84.96.2-84.n.1.14 $84$ $2$ $2$ $2$ $?$ not computed
84.96.2-84.o.1.16 $84$ $2$ $2$ $2$ $?$ not computed
84.144.3-12.da.1.1 $84$ $3$ $3$ $3$ $?$ not computed
84.384.13-84.be.1.40 $84$ $8$ $8$ $13$ $?$ not computed
168.96.1-24.cu.1.12 $168$ $2$ $2$ $1$ $?$ dimension zero
168.96.1-24.et.1.12 $168$ $2$ $2$ $1$ $?$ dimension zero
168.96.1-24.jg.1.12 $168$ $2$ $2$ $1$ $?$ dimension zero
168.96.1-24.jj.1.12 $168$ $2$ $2$ $1$ $?$ dimension zero
168.96.1-168.bzo.1.22 $168$ $2$ $2$ $1$ $?$ dimension zero
168.96.1-168.bzr.1.20 $168$ $2$ $2$ $1$ $?$ dimension zero
168.96.1-168.caa.1.22 $168$ $2$ $2$ $1$ $?$ dimension zero
168.96.1-168.cad.1.20 $168$ $2$ $2$ $1$ $?$ dimension zero
168.96.2-24.h.1.12 $168$ $2$ $2$ $2$ $?$ not computed
168.96.2-24.i.1.16 $168$ $2$ $2$ $2$ $?$ not computed
168.96.2-24.j.1.12 $168$ $2$ $2$ $2$ $?$ not computed
168.96.2-24.k.1.16 $168$ $2$ $2$ $2$ $?$ not computed
168.96.2-24.l.1.14 $168$ $2$ $2$ $2$ $?$ not computed
168.96.2-24.m.1.16 $168$ $2$ $2$ $2$ $?$ not computed
168.96.2-24.n.1.14 $168$ $2$ $2$ $2$ $?$ not computed
168.96.2-24.o.1.16 $168$ $2$ $2$ $2$ $?$ not computed
168.96.2-24.p.1.16 $168$ $2$ $2$ $2$ $?$ not computed
168.96.2-24.q.1.12 $168$ $2$ $2$ $2$ $?$ not computed
168.96.2-24.r.1.16 $168$ $2$ $2$ $2$ $?$ not computed
168.96.2-24.s.1.12 $168$ $2$ $2$ $2$ $?$ not computed
168.96.2-168.t.1.2 $168$ $2$ $2$ $2$ $?$ not computed
168.96.2-168.u.1.6 $168$ $2$ $2$ $2$ $?$ not computed
168.96.2-168.v.1.30 $168$ $2$ $2$ $2$ $?$ not computed
168.96.2-168.w.1.14 $168$ $2$ $2$ $2$ $?$ not computed
168.96.2-168.x.1.8 $168$ $2$ $2$ $2$ $?$ not computed
168.96.2-168.y.1.4 $168$ $2$ $2$ $2$ $?$ not computed
168.96.2-168.z.1.12 $168$ $2$ $2$ $2$ $?$ not computed
168.96.2-168.ba.1.24 $168$ $2$ $2$ $2$ $?$ not computed
168.96.2-168.bb.1.14 $168$ $2$ $2$ $2$ $?$ not computed
168.96.2-168.bc.1.30 $168$ $2$ $2$ $2$ $?$ not computed
168.96.2-168.bd.1.6 $168$ $2$ $2$ $2$ $?$ not computed
168.96.2-168.be.1.2 $168$ $2$ $2$ $2$ $?$ not computed
168.96.3-24.c.1.12 $168$ $2$ $2$ $3$ $?$ not computed
168.96.3-24.d.1.12 $168$ $2$ $2$ $3$ $?$ not computed
168.96.3-24.bu.1.12 $168$ $2$ $2$ $3$ $?$ not computed
168.96.3-24.bv.1.12 $168$ $2$ $2$ $3$ $?$ not computed
168.96.3-168.ca.1.6 $168$ $2$ $2$ $3$ $?$ not computed
168.96.3-168.cb.1.6 $168$ $2$ $2$ $3$ $?$ not computed
168.96.3-168.ce.1.6 $168$ $2$ $2$ $3$ $?$ not computed
168.96.3-168.cf.1.6 $168$ $2$ $2$ $3$ $?$ not computed
168.96.3-168.ci.1.6 $168$ $2$ $2$ $3$ $?$ not computed
168.96.3-168.cj.1.6 $168$ $2$ $2$ $3$ $?$ not computed
168.96.3-24.ck.1.12 $168$ $2$ $2$ $3$ $?$ not computed
168.96.3-24.cl.1.12 $168$ $2$ $2$ $3$ $?$ not computed
168.96.3-168.cm.1.6 $168$ $2$ $2$ $3$ $?$ not computed
168.96.3-168.cn.1.6 $168$ $2$ $2$ $3$ $?$ not computed
168.96.3-24.co.1.12 $168$ $2$ $2$ $3$ $?$ not computed
168.96.3-24.cp.1.12 $168$ $2$ $2$ $3$ $?$ not computed
252.144.3-36.x.1.11 $252$ $3$ $3$ $3$ $?$ not computed
252.144.5-36.k.1.10 $252$ $3$ $3$ $5$ $?$ not computed
252.144.5-36.o.1.11 $252$ $3$ $3$ $5$ $?$ not computed