Minimal Weierstrass equation
Minimal Weierstrass equation
Simplified equation
\(y^2+xy+y=x^3-x^2-5963x+173387\)
|
(homogenize, simplify) |
\(y^2z+xyz+yz^2=x^3-x^2z-5963xz^2+173387z^3\)
|
(dehomogenize, simplify) |
\(y^2=x^3-95403x+11001382\)
|
(homogenize, minimize) |
Mordell-Weil group structure
\(\Z \oplus \Z/{2}\Z\)
Mordell-Weil generators
$P$ | $\hat{h}(P)$ | Order |
---|---|---|
$(37, 30)$ | $1.2619859768190228682603583012$ | $\infty$ |
$(51, -26)$ | $0$ | $2$ |
Integral points
\( \left(-75, 478\right) \), \( \left(-75, -404\right) \), \( \left(37, 30\right) \), \( \left(37, -68\right) \), \( \left(51, -26\right) \), \( \left(307, 5062\right) \), \( \left(307, -5370\right) \)
Invariants
Conductor: | $N$ | = | \( 57330 \) | = | $2 \cdot 3^{2} \cdot 5 \cdot 7^{2} \cdot 13$ |
|
Discriminant: | $\Delta$ | = | $802770892560$ | = | $2^{4} \cdot 3^{8} \cdot 5 \cdot 7^{6} \cdot 13 $ |
|
j-invariant: | $j$ | = | \( \frac{273359449}{9360} \) | = | $2^{-4} \cdot 3^{-2} \cdot 5^{-1} \cdot 11^{3} \cdot 13^{-1} \cdot 59^{3}$ |
|
Endomorphism ring: | $\mathrm{End}(E)$ | = | $\Z$ | |||
Geometric endomorphism ring: | $\mathrm{End}(E_{\overline{\Q}})$ | = | \(\Z\) (no potential complex multiplication) |
|
||
Sato-Tate group: | $\mathrm{ST}(E)$ | = | $\mathrm{SU}(2)$ | |||
Faltings height: | $h_{\mathrm{Faltings}}$ | ≈ | $1.0561465811505212428129321036$ |
|
||
Stable Faltings height: | $h_{\mathrm{stable}}$ | ≈ | $-0.46611463771119025543736688658$ |
|
||
$abc$ quality: | $Q$ | ≈ | $0.8780552029900824$ | |||
Szpiro ratio: | $\sigma_{m}$ | ≈ | $3.440255544660899$ |
BSD invariants
Analytic rank: | $r_{\mathrm{an}}$ | = | $ 1$ |
|
Mordell-Weil rank: | $r$ | = | $ 1$ |
|
Regulator: | $\mathrm{Reg}(E/\Q)$ | ≈ | $1.2619859768190228682603583012$ |
|
Real period: | $\Omega$ | ≈ | $0.88869238598297577580216205682$ |
|
Tamagawa product: | $\prod_{p}c_p$ | = | $ 32 $ = $ 2^{2}\cdot2\cdot1\cdot2^{2}\cdot1 $ |
|
Torsion order: | $\#E(\Q)_{\mathrm{tor}}$ | = | $2$ |
|
Special value: | $ L'(E,1)$ | ≈ | $8.9721386305308303262317354013 $ |
|
Analytic order of Ш: | Ш${}_{\mathrm{an}}$ | ≈ | $1$ (rounded) |
|
BSD formula
$$\begin{aligned} 8.972138631 \approx L'(E,1) & = \frac{\# ะจ(E/\Q)\cdot \Omega_E \cdot \mathrm{Reg}(E/\Q) \cdot \prod_p c_p}{\#E(\Q)_{\rm tor}^2} \\ & \approx \frac{1 \cdot 0.888692 \cdot 1.261986 \cdot 32}{2^2} \\ & \approx 8.972138631\end{aligned}$$
Modular invariants
Modular form 57330.2.a.du
For more coefficients, see the Downloads section to the right.
Modular degree: | 98304 |
|
$ \Gamma_0(N) $-optimal: | yes | |
Manin constant: | 1 |
|
Local data at primes of bad reduction
This elliptic curve is not semistable. There are 5 primes $p$ of bad reduction:
$p$ | Tamagawa number | Kodaira symbol | Reduction type | Root number | $\mathrm{ord}_p(N)$ | $\mathrm{ord}_p(\Delta)$ | $\mathrm{ord}_p(\mathrm{den}(j))$ |
---|---|---|---|---|---|---|---|
$2$ | $4$ | $I_{4}$ | split multiplicative | -1 | 1 | 4 | 4 |
$3$ | $2$ | $I_{2}^{*}$ | additive | -1 | 2 | 8 | 2 |
$5$ | $1$ | $I_{1}$ | nonsplit multiplicative | 1 | 1 | 1 | 1 |
$7$ | $4$ | $I_0^{*}$ | additive | -1 | 2 | 6 | 0 |
$13$ | $1$ | $I_{1}$ | split multiplicative | -1 | 1 | 1 | 1 |
Galois representations
The $\ell$-adic Galois representation has maximal image for all primes $\ell$ except those listed in the table below.
prime $\ell$ | mod-$\ell$ image | $\ell$-adic image |
---|---|---|
$2$ | 2B | 4.6.0.1 |
The image $H:=\rho_E(\Gal(\overline{\Q}/\Q))$ of the adelic Galois representation has level \( 10920 = 2^{3} \cdot 3 \cdot 5 \cdot 7 \cdot 13 \), index $48$, genus $0$, and generators
$\left(\begin{array}{rr} 736 & 4683 \\ 525 & 8842 \end{array}\right),\left(\begin{array}{rr} 1 & 0 \\ 8 & 1 \end{array}\right),\left(\begin{array}{rr} 10913 & 8 \\ 10912 & 9 \end{array}\right),\left(\begin{array}{rr} 5923 & 3318 \\ 1890 & 4747 \end{array}\right),\left(\begin{array}{rr} 1 & 8 \\ 0 & 1 \end{array}\right),\left(\begin{array}{rr} 7279 & 0 \\ 0 & 10919 \end{array}\right),\left(\begin{array}{rr} 1 & 4 \\ 4 & 17 \end{array}\right),\left(\begin{array}{rr} 3119 & 0 \\ 0 & 10919 \end{array}\right),\left(\begin{array}{rr} 3193 & 588 \\ 7350 & 10207 \end{array}\right),\left(\begin{array}{rr} 7 & 6 \\ 10914 & 10915 \end{array}\right),\left(\begin{array}{rr} 10564 & 8841 \\ 5103 & 526 \end{array}\right)$.
The torsion field $K:=\Q(E[10920])$ is a degree-$38954430627840$ Galois extension of $\Q$ with $\Gal(K/\Q)$ isomorphic to the projection of $H$ to $\GL_2(\Z/10920\Z)$.
The table below list all primes $\ell$ for which the Serre invariants associated to the mod-$\ell$ Galois representation are exceptional.
$\ell$ | Reduction type | Serre weight | Serre conductor |
---|---|---|---|
$2$ | split multiplicative | $4$ | \( 28665 = 3^{2} \cdot 5 \cdot 7^{2} \cdot 13 \) |
$3$ | additive | $8$ | \( 6370 = 2 \cdot 5 \cdot 7^{2} \cdot 13 \) |
$5$ | nonsplit multiplicative | $6$ | \( 11466 = 2 \cdot 3^{2} \cdot 7^{2} \cdot 13 \) |
$7$ | additive | $26$ | \( 1170 = 2 \cdot 3^{2} \cdot 5 \cdot 13 \) |
$13$ | split multiplicative | $14$ | \( 4410 = 2 \cdot 3^{2} \cdot 5 \cdot 7^{2} \) |
Isogenies
This curve has non-trivial cyclic isogenies of degree $d$ for $d=$
2 and 4.
Its isogeny class 57330eh
consists of 4 curves linked by isogenies of
degrees dividing 4.
Twists
The minimal quadratic twist of this elliptic curve is 390a1, its twist by $21$.
Growth of torsion in number fields
The number fields $K$ of degree less than 24 such that $E(K)_{\rm tors}$ is strictly larger than $E(\Q)_{\rm tors}$ $\cong \Z/{2}\Z$ are as follows:
$[K:\Q]$ | $K$ | $E(K)_{\rm tors}$ | Base change curve |
---|---|---|---|
$2$ | \(\Q(\sqrt{65}) \) | \(\Z/2\Z \oplus \Z/2\Z\) | not in database |
$2$ | \(\Q(\sqrt{105}) \) | \(\Z/4\Z\) | not in database |
$2$ | \(\Q(\sqrt{273}) \) | \(\Z/4\Z\) | not in database |
$4$ | \(\Q(\sqrt{65}, \sqrt{105})\) | \(\Z/2\Z \oplus \Z/4\Z\) | not in database |
$8$ | deg 8 | \(\Z/2\Z \oplus \Z/4\Z\) | not in database |
$8$ | deg 8 | \(\Z/8\Z\) | not in database |
$8$ | deg 8 | \(\Z/8\Z\) | not in database |
$8$ | deg 8 | \(\Z/6\Z\) | not in database |
$16$ | deg 16 | \(\Z/4\Z \oplus \Z/4\Z\) | not in database |
$16$ | deg 16 | \(\Z/2\Z \oplus \Z/8\Z\) | not in database |
$16$ | deg 16 | \(\Z/2\Z \oplus \Z/8\Z\) | not in database |
$16$ | deg 16 | \(\Z/2\Z \oplus \Z/6\Z\) | not in database |
$16$ | deg 16 | \(\Z/12\Z\) | not in database |
$16$ | deg 16 | \(\Z/12\Z\) | not in database |
We only show fields where the torsion growth is primitive. For fields not in the database, click on the degree shown to reveal the defining polynomial.
Iwasawa invariants
$p$ | 2 | 3 | 5 | 7 | 11 | 13 | 17 | 19 | 23 | 29 | 31 | 37 | 41 | 43 | 47 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Reduction type | split | add | nonsplit | add | ss | split | ord | ss | ord | ord | ss | ord | ord | ord | ss |
$\lambda$-invariant(s) | 6 | - | 1 | - | 1,1 | 2 | 1 | 1,1 | 1 | 1 | 1,1 | 1 | 1 | 1 | 1,1 |
$\mu$-invariant(s) | 0 | - | 0 | - | 0,0 | 0 | 0 | 0,0 | 0 | 0 | 0,0 | 0 | 0 | 0 | 0,0 |
An entry - indicates that the invariants are not computed because the reduction is additive.
$p$-adic regulators
Note: $p$-adic regulator data only exists for primes $p\ge 5$ of good ordinary reduction.