Minimal Weierstrass equation
Minimal Weierstrass equation
Simplified equation
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\(y^2=x^3-47952003x+127808060002\)
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(homogenize, simplify) |
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\(y^2z=x^3-47952003xz^2+127808060002z^3\)
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(dehomogenize, simplify) |
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\(y^2=x^3-47952003x+127808060002\)
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(homogenize, minimize) |
Mordell-Weil group structure
\(\Z \oplus \Z/{2}\Z\)
Mordell-Weil generators
| $P$ | $\hat{h}(P)$ | Order |
|---|---|---|
| $(8223, 538070)$ | $7.8283761515142544142976761107$ | $\infty$ |
| $(3998, 0)$ | $0$ | $2$ |
Integral points
\( \left(3998, 0\right) \), \((8223,\pm 538070)\)
Invariants
| Conductor: | $N$ | = | \( 26640 \) | = | $2^{4} \cdot 3^{2} \cdot 5 \cdot 37$ |
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| Discriminant: | $\Delta$ | = | $186437376000$ | = | $2^{11} \cdot 3^{9} \cdot 5^{3} \cdot 37 $ |
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| j-invariant: | $j$ | = | \( \frac{8167450100737631904002}{124875} \) | = | $2 \cdot 3^{-3} \cdot 5^{-3} \cdot 11^{3} \cdot 37^{-1} \cdot 1453091^{3}$ |
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| Endomorphism ring: | $\mathrm{End}(E)$ | = | $\Z$ | |||
| Geometric endomorphism ring: | $\mathrm{End}(E_{\overline{\Q}})$ | = | \(\Z\) (no potential complex multiplication) |
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| Sato-Tate group: | $\mathrm{ST}(E)$ | = | $\mathrm{SU}(2)$ | |||
| Faltings height: | $h_{\mathrm{Faltings}}$ | ≈ | $2.6421194394448041139770916404$ |
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| Stable Faltings height: | $h_{\mathrm{stable}}$ | ≈ | $1.4574283795974660679803395773$ |
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| $abc$ quality: | $Q$ | ≈ | $1.0974085320777067$ | |||
| Szpiro ratio: | $\sigma_{m}$ | ≈ | $6.346384994686816$ | |||
BSD invariants
| Analytic rank: | $r_{\mathrm{an}}$ | = | $ 1$ |
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| Mordell-Weil rank: | $r$ | = | $ 1$ |
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| Regulator: | $\mathrm{Reg}(E/\Q)$ | ≈ | $7.8283761515142544142976761107$ |
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| Real period: | $\Omega$ | ≈ | $0.35354633430481895158800301892$ |
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| Tamagawa product: | $\prod_{p}c_p$ | = | $ 8 $ = $ 2\cdot2^{2}\cdot1\cdot1 $ |
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| Torsion order: | $\#E(\Q)_{\mathrm{tor}}$ | = | $2$ |
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| Special value: | $ L'(E,1)$ | ≈ | $5.5353873838542612161187229522 $ |
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| Analytic order of Ш: | Ш${}_{\mathrm{an}}$ | ≈ | $1$ (rounded) |
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BSD formula
$$\begin{aligned} 5.535387384 \approx L'(E,1) & = \frac{\# ะจ(E/\Q)\cdot \Omega_E \cdot \mathrm{Reg}(E/\Q) \cdot \prod_p c_p}{\#E(\Q)_{\rm tor}^2} \\ & \approx \frac{1 \cdot 0.353546 \cdot 7.828376 \cdot 8}{2^2} \\ & \approx 5.535387384\end{aligned}$$
Modular invariants
For more coefficients, see the Downloads section to the right.
| Modular degree: | 811008 |
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| $ \Gamma_0(N) $-optimal: | no | |
| Manin constant: | 1 |
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Local data at primes of bad reduction
This elliptic curve is not semistable. There are 4 primes $p$ of bad reduction:
| $p$ | Tamagawa number | Kodaira symbol | Reduction type | Root number | $\mathrm{ord}_p(N)$ | $\mathrm{ord}_p(\Delta)$ | $\mathrm{ord}_p(\mathrm{den}(j))$ |
|---|---|---|---|---|---|---|---|
| $2$ | $2$ | $I_{3}^{*}$ | additive | 1 | 4 | 11 | 0 |
| $3$ | $4$ | $I_{3}^{*}$ | additive | -1 | 2 | 9 | 3 |
| $5$ | $1$ | $I_{3}$ | nonsplit multiplicative | 1 | 1 | 3 | 3 |
| $37$ | $1$ | $I_{1}$ | 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 \( 4440 = 2^{3} \cdot 3 \cdot 5 \cdot 37 \), index $48$, genus $0$, and generators
$\left(\begin{array}{rr} 7 & 6 \\ 4434 & 4435 \end{array}\right),\left(\begin{array}{rr} 1 & 0 \\ 8 & 1 \end{array}\right),\left(\begin{array}{rr} 1 & 8 \\ 0 & 1 \end{array}\right),\left(\begin{array}{rr} 1 & 4 \\ 4 & 17 \end{array}\right),\left(\begin{array}{rr} 4433 & 8 \\ 4432 & 9 \end{array}\right),\left(\begin{array}{rr} 1664 & 3877 \\ 1661 & 1632 \end{array}\right),\left(\begin{array}{rr} 3888 & 1673 \\ 547 & 534 \end{array}\right),\left(\begin{array}{rr} 1472 & 4437 \\ 1475 & 4438 \end{array}\right),\left(\begin{array}{rr} 2668 & 1 \\ 911 & 6 \end{array}\right),\left(\begin{array}{rr} 608 & 3 \\ 2045 & 2 \end{array}\right)$.
The torsion field $K:=\Q(E[4440])$ is a degree-$1343453921280$ Galois extension of $\Q$ with $\Gal(K/\Q)$ isomorphic to the projection of $H$ to $\GL_2(\Z/4440\Z)$.
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 |
|---|---|---|---|
| $2$ | additive | $4$ | \( 1665 = 3^{2} \cdot 5 \cdot 37 \) |
| $3$ | additive | $6$ | \( 592 = 2^{4} \cdot 37 \) |
| $5$ | nonsplit multiplicative | $6$ | \( 5328 = 2^{4} \cdot 3^{2} \cdot 37 \) |
| $37$ | split multiplicative | $38$ | \( 720 = 2^{4} \cdot 3^{2} \cdot 5 \) |
Isogenies
This curve has non-trivial cyclic isogenies of degree $d$ for $d=$
2 and 4.
Its isogeny class 26640g
consists of 4 curves linked by isogenies of
degrees dividing 4.
Twists
The minimal quadratic twist of this elliptic curve is 4440g4, its twist by $12$.
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 |
|---|---|---|---|
| $2$ | \(\Q(\sqrt{1110}) \) | \(\Z/2\Z \oplus \Z/2\Z\) | not in database |
| $2$ | \(\Q(\sqrt{30}) \) | \(\Z/4\Z\) | not in database |
| $2$ | \(\Q(\sqrt{37}) \) | \(\Z/4\Z\) | not in database |
| $4$ | \(\Q(\sqrt{30}, \sqrt{37})\) | \(\Z/2\Z \oplus \Z/4\Z\) | 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 |
| $8$ | 8.2.16788644278272.17 | \(\Z/6\Z\) | 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 | add | add | nonsplit | ss | ss | ord | ord | ord | ss | ord | ord | split | ord | ord | ord |
| $\lambda$-invariant(s) | - | - | 1 | 1,1 | 1,5 | 1 | 1 | 1 | 3,1 | 1 | 1 | 2 | 1 | 1 | 1 |
| $\mu$-invariant(s) | - | - | 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
$p$-adic regulators are not yet computed for curves that are not $\Gamma_0$-optimal.