Minimal Weierstrass equation
Minimal Weierstrass equation
Simplified equation
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\(y^2+xy=x^3-184x-3178\)
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(homogenize, simplify) |
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\(y^2z+xyz=x^3-184xz^2-3178z^3\)
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(dehomogenize, simplify) |
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\(y^2=x^3-238491x-147557322\)
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(homogenize, minimize) |
Mordell-Weil group structure
\(\Z\)
Mordell-Weil generators
| $P$ | $\hat{h}(P)$ | Order |
|---|---|---|
| $(271/4, 4085/8)$ | $3.3473415951980992334289761194$ | $\infty$ |
Integral points
None
Invariants
| Conductor: | $N$ | = | \( 29766 \) | = | $2 \cdot 3 \cdot 11^{2} \cdot 41$ |
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| Discriminant: | $\Delta$ | = | $-3922236054$ | = | $-1 \cdot 2 \cdot 3^{3} \cdot 11^{6} \cdot 41 $ |
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| j-invariant: | $j$ | = | \( -\frac{389017}{2214} \) | = | $-1 \cdot 2^{-1} \cdot 3^{-3} \cdot 41^{-1} \cdot 73^{3}$ |
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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: | $h_{\mathrm{Faltings}}$ | ≈ | $0.52474243499286095131299639414$ |
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| Stable Faltings height: | $h_{\mathrm{stable}}$ | ≈ | $-0.67420520140632432071797539484$ |
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| $abc$ quality: | $Q$ | ≈ | $0.8755235934443263$ | |||
| Szpiro ratio: | $\sigma_{m}$ | ≈ | $2.8775007456690673$ | |||
BSD invariants
| Analytic rank: | $r_{\mathrm{an}}$ | = | $ 1$ |
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| Mordell-Weil rank: | $r$ | = | $ 1$ |
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| Regulator: | $\mathrm{Reg}(E/\Q)$ | ≈ | $3.3473415951980992334289761194$ |
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| Real period: | $\Omega$ | ≈ | $0.58133814957423384317798777429$ |
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| Tamagawa product: | $\prod_{p}c_p$ | = | $ 6 $ = $ 1\cdot3\cdot2\cdot1 $ |
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| Torsion order: | $\#E(\Q)_{\mathrm{tor}}$ | = | $1$ |
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| Special value: | $ L'(E,1)$ | ≈ | $11.675624213671962751920363898 $ |
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| Analytic order of Ш: | Ш${}_{\mathrm{an}}$ | ≈ | $1$ (rounded) |
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BSD formula
$$\begin{aligned} 11.675624214 \approx L'(E,1) & = \frac{\# ะจ(E/\Q)\cdot \Omega_E \cdot \mathrm{Reg}(E/\Q) \cdot \prod_p c_p}{\#E(\Q)_{\rm tor}^2} \\ & \approx \frac{1 \cdot 0.581338 \cdot 3.347342 \cdot 6}{1^2} \\ & \approx 11.675624214\end{aligned}$$
Modular invariants
For more coefficients, see the Downloads section to the right.
| Modular degree: | 21600 |
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| $ \Gamma_0(N) $-optimal: | yes | |
| 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 | $\mathrm{ord}_p(N)$ | $\mathrm{ord}_p(\Delta)$ | $\mathrm{ord}_p(\mathrm{den}(j))$ |
|---|---|---|---|---|---|---|---|
| $2$ | $1$ | $I_{1}$ | split multiplicative | -1 | 1 | 1 | 1 |
| $3$ | $3$ | $I_{3}$ | split multiplicative | -1 | 1 | 3 | 3 |
| $11$ | $2$ | $I_0^{*}$ | additive | -1 | 2 | 6 | 0 |
| $41$ | $1$ | $I_{1}$ | 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 |
|---|---|---|
| $3$ | 3B | 3.4.0.1 |
The image $H:=\rho_E(\Gal(\overline{\Q}/\Q))$ of the adelic Galois representation has level \( 10824 = 2^{3} \cdot 3 \cdot 11 \cdot 41 \), index $16$, genus $0$, and generators
$\left(\begin{array}{rr} 8119 & 990 \\ 0 & 1 \end{array}\right),\left(\begin{array}{rr} 5413 & 990 \\ 495 & 2971 \end{array}\right),\left(\begin{array}{rr} 4 & 3 \\ 9 & 7 \end{array}\right),\left(\begin{array}{rr} 10297 & 990 \\ 4323 & 2971 \end{array}\right),\left(\begin{array}{rr} 10819 & 6 \\ 10818 & 7 \end{array}\right),\left(\begin{array}{rr} 1967 & 0 \\ 0 & 10823 \end{array}\right),\left(\begin{array}{rr} 10374 & 1441 \\ 2299 & 10638 \end{array}\right),\left(\begin{array}{rr} 1 & 6 \\ 0 & 1 \end{array}\right),\left(\begin{array}{rr} 3 & 4 \\ 8 & 11 \end{array}\right),\left(\begin{array}{rr} 1 & 0 \\ 6 & 1 \end{array}\right)$.
The torsion field $K:=\Q(E[10824])$ is a degree-$167586693120000$ Galois extension of $\Q$ with $\Gal(K/\Q)$ isomorphic to the projection of $H$ to $\GL_2(\Z/10824\Z)$.
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 | $4$ | \( 14883 = 3 \cdot 11^{2} \cdot 41 \) |
| $3$ | split multiplicative | $4$ | \( 9922 = 2 \cdot 11^{2} \cdot 41 \) |
| $11$ | additive | $62$ | \( 246 = 2 \cdot 3 \cdot 41 \) |
| $41$ | split multiplicative | $42$ | \( 726 = 2 \cdot 3 \cdot 11^{2} \) |
Isogenies
This curve has non-trivial cyclic isogenies of degree $d$ for $d=$
3.
Its isogeny class 29766bv
consists of 2 curves linked by isogenies of
degree 3.
Twists
The minimal quadratic twist of this elliptic curve is 246f1, its twist by $-11$.
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 $E(\Q)_{\rm tors}$ (which is trivial) are as follows:
| $[K:\Q]$ | $K$ | $E(K)_{\rm tors}$ | Base change curve |
|---|---|---|---|
| $2$ | \(\Q(\sqrt{-11}) \) | \(\Z/3\Z\) | not in database |
| $3$ | 3.1.984.1 | \(\Z/2\Z\) | not in database |
| $6$ | 6.0.952763904.1 | \(\Z/2\Z \oplus \Z/2\Z\) | not in database |
| $6$ | 6.2.1624789968912.4 | \(\Z/3\Z\) | not in database |
| $6$ | 6.0.1288748736.4 | \(\Z/6\Z\) | not in database |
| $12$ | deg 12 | \(\Z/4\Z\) | not in database |
| $12$ | deg 12 | \(\Z/3\Z \oplus \Z/3\Z\) | not in database |
| $12$ | deg 12 | \(\Z/2\Z \oplus \Z/6\Z\) | not in database |
| $18$ | 18.0.992390566031781794920871470025925513984.1 | \(\Z/9\Z\) | not in database |
| $18$ | 18.2.118135205265866353364989298390343150691418112.1 | \(\Z/6\Z\) | 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 | split | ord | ord | add | ord | ord | ord | ord | ss | ord | ord | split | ord | ord |
| $\lambda$-invariant(s) | 3 | 4 | 3 | 1 | - | 1 | 1 | 1 | 1 | 1,1 | 1 | 1 | 2 | 1 | 1 |
| $\mu$-invariant(s) | 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.