Minimal Weierstrass equation
Minimal Weierstrass equation
Simplified equation
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\(y^2=x^3+x^2-1060608x-420763212\)
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(homogenize, simplify) |
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\(y^2z=x^3+x^2z-1060608xz^2-420763212z^3\)
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(dehomogenize, simplify) |
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\(y^2=x^3-85909275x-306478653750\)
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(homogenize, minimize) |
Mordell-Weil group structure
\(\Z/{2}\Z\)
Mordell-Weil generators
| $P$ | $\hat{h}(P)$ | Order |
|---|---|---|
| $(-597, 0)$ | $0$ | $2$ |
Integral points
\( \left(-597, 0\right) \)
Invariants
| Conductor: | $N$ | = | \( 409200 \) | = | $2^{4} \cdot 3 \cdot 5^{2} \cdot 11 \cdot 31$ |
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| Discriminant: | $\Delta$ | = | $2800106496000000$ | = | $2^{16} \cdot 3^{6} \cdot 5^{6} \cdot 11^{2} \cdot 31 $ |
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| j-invariant: | $j$ | = | \( \frac{2061621066895417}{43751664} \) | = | $2^{-4} \cdot 3^{-6} \cdot 11^{-2} \cdot 31^{-1} \cdot 137^{3} \cdot 929^{3}$ |
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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: | $h_{\mathrm{Faltings}}$ | ≈ | $2.0815651717129859414385964958$ |
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| Stable Faltings height: | $h_{\mathrm{stable}}$ | ≈ | $0.58369903493599044472098470773$ |
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| $abc$ quality: | $Q$ | ≈ | $0.9528064535045487$ | |||
| Szpiro ratio: | $\sigma_{m}$ | ≈ | $4.119859948904659$ | |||
BSD invariants
| Analytic rank: | $r_{\mathrm{an}}$ | = | $ 0$ |
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| Mordell-Weil rank: | $r$ | = | $ 0$ |
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| Regulator: | $\mathrm{Reg}(E/\Q)$ | = | $1$ |
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| Real period: | $\Omega$ | ≈ | $0.14876862495205281345445429484$ |
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| Tamagawa product: | $\prod_{p}c_p$ | = | $ 96 $ = $ 2\cdot( 2 \cdot 3 )\cdot2^{2}\cdot2\cdot1 $ |
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| Torsion order: | $\#E(\Q)_{\mathrm{tor}}$ | = | $2$ |
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| Special value: | $ L(E,1)$ | ≈ | $3.5704469988492675229069030762 $ |
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| Analytic order of Ш: | Ш${}_{\mathrm{an}}$ | = | $1$ (exact) |
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BSD formula
$$\begin{aligned} 3.570446999 \approx L(E,1) & = \frac{\# ะจ(E/\Q)\cdot \Omega_E \cdot \mathrm{Reg}(E/\Q) \cdot \prod_p c_p}{\#E(\Q)_{\rm tor}^2} \\ & \approx \frac{1 \cdot 0.148769 \cdot 1.000000 \cdot 96}{2^2} \\ & \approx 3.570446999\end{aligned}$$
Modular invariants
Modular form 409200.2.a.fb
For more coefficients, see the Downloads section to the right.
| Modular degree: | 4718592 |
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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 5 primes $p$ of bad reduction:
| $p$ | Tamagawa number | Kodaira symbol | Reduction type | Root number | $\mathrm{ord}_p(N)$ | $\mathrm{ord}_p(\Delta)$ | $\mathrm{ord}_p(\mathrm{den}(j))$ |
|---|---|---|---|---|---|---|---|
| $2$ | $2$ | $I_{8}^{*}$ | additive | -1 | 4 | 16 | 4 |
| $3$ | $6$ | $I_{6}$ | split multiplicative | -1 | 1 | 6 | 6 |
| $5$ | $4$ | $I_0^{*}$ | additive | 1 | 2 | 6 | 0 |
| $11$ | $2$ | $I_{2}$ | split multiplicative | -1 | 1 | 2 | 2 |
| $31$ | $1$ | $I_{1}$ | nonsplit 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 | 2.3.0.1 |
The image $H:=\rho_E(\Gal(\overline{\Q}/\Q))$ of the adelic Galois representation has level \( 4092 = 2^{2} \cdot 3 \cdot 11 \cdot 31 \), index $12$, genus $0$, and generators
$\left(\begin{array}{rr} 1 & 2 \\ 2 & 5 \end{array}\right),\left(\begin{array}{rr} 1 & 4 \\ 0 & 1 \end{array}\right),\left(\begin{array}{rr} 2729 & 4 \\ 1366 & 9 \end{array}\right),\left(\begin{array}{rr} 1024 & 3073 \\ 3069 & 1024 \end{array}\right),\left(\begin{array}{rr} 4089 & 4 \\ 4088 & 5 \end{array}\right),\left(\begin{array}{rr} 1 & 0 \\ 4 & 1 \end{array}\right),\left(\begin{array}{rr} 3 & 4 \\ 8 & 11 \end{array}\right),\left(\begin{array}{rr} 1861 & 4 \\ 3722 & 9 \end{array}\right),\left(\begin{array}{rr} 2114 & 1 \\ 3035 & 0 \end{array}\right)$.
The torsion field $K:=\Q(E[4092])$ is a degree-$4525424640000$ Galois extension of $\Q$ with $\Gal(K/\Q)$ isomorphic to the projection of $H$ to $\GL_2(\Z/4092\Z)$.
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 | $2$ | \( 775 = 5^{2} \cdot 31 \) |
| $3$ | split multiplicative | $4$ | \( 136400 = 2^{4} \cdot 5^{2} \cdot 11 \cdot 31 \) |
| $5$ | additive | $14$ | \( 16368 = 2^{4} \cdot 3 \cdot 11 \cdot 31 \) |
| $11$ | split multiplicative | $12$ | \( 37200 = 2^{4} \cdot 3 \cdot 5^{2} \cdot 31 \) |
| $31$ | nonsplit multiplicative | $32$ | \( 13200 = 2^{4} \cdot 3 \cdot 5^{2} \cdot 11 \) |
Isogenies
This curve has non-trivial cyclic isogenies of degree $d$ for $d=$
2.
Its isogeny class 409200.fb
consists of 2 curves linked by isogenies of
degree 2.
Twists
The minimal quadratic twist of this elliptic curve is 2046.e1, its twist by $-20$.
Iwasawa invariants
No Iwasawa invariant data is available for this curve.
$p$-adic regulators
All $p$-adic regulators are identically $1$ since the rank is $0$.