Minimal Weierstrass equation
Minimal Weierstrass equation
Simplified equation
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\(y^2+xy=x^3+6132x-309680\)
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(homogenize, simplify) |
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\(y^2z+xyz=x^3+6132xz^2-309680z^3\)
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(dehomogenize, simplify) |
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\(y^2=x^3+7947045x-14472271242\)
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(homogenize, minimize) |
Mordell-Weil group structure
\(\Z \oplus \Z/{2}\Z\)
Mordell-Weil generators
| $P$ | $\hat{h}(P)$ | Order |
|---|---|---|
| \( \left(114, 1312\right) \) | $0.93902319515132906059103880344$ | $\infty$ |
| \( \left(40, -20\right) \) | $0$ | $2$ |
| $P$ | $\hat{h}(P)$ | Order |
|---|---|---|
| \([114:1312:1]\) | $0.93902319515132906059103880344$ | $\infty$ |
| \([40:-20:1]\) | $0$ | $2$ |
| $P$ | $\hat{h}(P)$ | Order |
|---|---|---|
| \( \left(4107, 295704\right) \) | $0.93902319515132906059103880344$ | $\infty$ |
| \( \left(1443, 0\right) \) | $0$ | $2$ |
Integral points
\( \left(40, -20\right) \), \( \left(44, 192\right) \), \( \left(44, -236\right) \), \( \left(114, 1312\right) \), \( \left(114, -1426\right) \), \( \left(188, 2644\right) \), \( \left(188, -2832\right) \), \( \left(2778, 145094\right) \), \( \left(2778, -147872\right) \)
\([40:-20:1]\), \([44:192:1]\), \([44:-236:1]\), \([114:1312:1]\), \([114:-1426:1]\), \([188:2644:1]\), \([188:-2832:1]\), \([2778:145094:1]\), \([2778:-147872:1]\)
\( \left(1443, 0\right) \), \((1587,\pm 46224)\), \((4107,\pm 295704)\), \((6771,\pm 591408)\), \((100011,\pm 31640328)\)
Invariants
| Conductor: | $N$ | = | \( 19166 \) | = | $2 \cdot 7 \cdot 37^{2}$ |
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| Minimal Discriminant: | $\Delta$ | = | $-56322826130368$ | = | $-1 \cdot 2^{6} \cdot 7^{3} \cdot 37^{6} $ |
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| j-invariant: | $j$ | = | \( \frac{9938375}{21952} \) | = | $2^{-6} \cdot 5^{3} \cdot 7^{-3} \cdot 43^{3}$ |
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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: | $h_{\mathrm{Faltings}}$ | ≈ | $1.3226802021311691793585915112$ |
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| Stable Faltings height: | $h_{\mathrm{stable}}$ | ≈ | $-0.48277875419094304282545632432$ |
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| $abc$ quality: | $Q$ | ≈ | $0.9869508090989833$ | |||
| Szpiro ratio: | $\sigma_{m}$ | ≈ | $3.9360564962994595$ | |||
| Intrinsic torsion order: | $\#E(\mathbb Q)_\text{tors}^\text{is}$ | = | $1$ | |||
BSD invariants
| Analytic rank: | $r_{\mathrm{an}}$ | = | $ 1$ |
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| Mordell-Weil rank: | $r$ | = | $ 1$ |
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| Regulator: | $\mathrm{Reg}(E/\Q)$ | ≈ | $0.93902319515132906059103880344$ |
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| Real period: | $\Omega$ | ≈ | $0.32573061108301131601708589796$ |
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| Tamagawa product: | $\prod_{p}c_p$ | = | $ 72 $ = $ ( 2 \cdot 3 )\cdot3\cdot2^{2} $ |
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| Torsion order: | $\#E(\Q)_{\mathrm{tor}}$ | = | $2$ |
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| Special value: | $ L'(E,1)$ | ≈ | $5.5056347851997556642322042116 $ |
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| Analytic order of Ш: | Ш${}_{\mathrm{an}}$ | ≈ | $1$ (rounded) |
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BSD formula
$$\begin{aligned} 5.505634785 \approx L'(E,1) & = \frac{\# ะจ(E/\Q)\cdot \Omega_E \cdot \mathrm{Reg}(E/\Q) \cdot \prod_p c_p}{\#E(\Q)_{\rm tor}^2} \\ & \approx \frac{1 \cdot 0.325731 \cdot 0.939023 \cdot 72}{2^2} \\ & \approx 5.505634785\end{aligned}$$
Modular invariants
For more coefficients, see the Downloads section to the right.
| Modular degree: | 51840 |
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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 3 primes $p$ of bad reduction:
| $p$ | Tamagawa number | Kodaira symbol | Reduction type | Root number | $\mathrm{ord}_p(N)$ | $\mathrm{ord}_p(\Delta)$ | $\mathrm{ord}_p(\mathrm{den}(j))$ |
|---|---|---|---|---|---|---|---|
| $2$ | $6$ | $I_{6}$ | split multiplicative | -1 | 1 | 6 | 6 |
| $7$ | $3$ | $I_{3}$ | split multiplicative | -1 | 1 | 3 | 3 |
| $37$ | $4$ | $I_0^{*}$ | additive | 1 | 2 | 6 | 0 |
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 | $\ell$-adic index |
|---|---|---|---|
| $2$ | 2B | 8.6.0.1 | $6$ |
| $3$ | 3Cs | 3.12.0.1 | $12$ |
The image $H:=\rho_E(\Gal(\overline{\Q}/\Q))$ of the adelic Galois representation has level \( 18648 = 2^{3} \cdot 3^{2} \cdot 7 \cdot 37 \), index $864$, genus $21$, and generators
$\left(\begin{array}{rr} 1 & 36 \\ 0 & 1 \end{array}\right),\left(\begin{array}{rr} 1 & 0 \\ 36 & 1 \end{array}\right),\left(\begin{array}{rr} 2110 & 12099 \\ 10989 & 3220 \end{array}\right),\left(\begin{array}{rr} 1333 & 12876 \\ 16650 & 667 \end{array}\right),\left(\begin{array}{rr} 1 & 6 \\ 6 & 37 \end{array}\right),\left(\begin{array}{rr} 19 & 24 \\ 1440 & 1819 \end{array}\right),\left(\begin{array}{rr} 18613 & 36 \\ 18612 & 37 \end{array}\right),\left(\begin{array}{rr} 9325 & 14652 \\ 16650 & 2665 \end{array}\right),\left(\begin{array}{rr} 9325 & 14652 \\ 0 & 1037 \end{array}\right),\left(\begin{array}{rr} 4031 & 0 \\ 0 & 18647 \end{array}\right)$.
The torsion field $K:=\Q(E[18648])$ is a degree-$25391279112192$ Galois extension of $\Q$ with $\Gal(K/\Q)$ isomorphic to the projection of $H$ to $\GL_2(\Z/18648\Z)$.
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 | $4$ | \( 9583 = 7 \cdot 37^{2} \) |
| $3$ | good | $2$ | \( 1369 = 37^{2} \) |
| $7$ | split multiplicative | $8$ | \( 2738 = 2 \cdot 37^{2} \) |
| $37$ | additive | $686$ | \( 14 = 2 \cdot 7 \) |
Isogenies
This curve has non-trivial cyclic isogenies of degree $d$ for $d=$
2, 3 and 6.
Its isogeny class 19166a
consists of 6 curves linked by isogenies of
degrees dividing 18.
Twists
The minimal quadratic twist of this elliptic curve is 14a1, its twist by $37$.
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 |
|---|---|---|---|
| $2$ | \(\Q(\sqrt{-7}) \) | \(\Z/2\Z \oplus \Z/2\Z\) | not in database |
| $2$ | \(\Q(\sqrt{37}) \) | \(\Z/6\Z\) | 2.2.37.1-196.1-h3 |
| $2$ | \(\Q(\sqrt{-111}) \) | \(\Z/6\Z\) | 2.0.111.1-196.5-f3 |
| $4$ | \(\Q(\sqrt{-37 -74 \sqrt{2}})\) | \(\Z/4\Z\) | not in database |
| $4$ | \(\Q(\sqrt{-3}, \sqrt{37})\) | \(\Z/3\Z \oplus \Z/6\Z\) | not in database |
| $4$ | \(\Q(\sqrt{-7}, \sqrt{37})\) | \(\Z/2\Z \oplus \Z/6\Z\) | not in database |
| $4$ | \(\Q(\sqrt{-7}, \sqrt{-111})\) | \(\Z/2\Z \oplus \Z/6\Z\) | not in database |
| $8$ | 8.0.225785003508736.23 | \(\Z/2\Z \oplus \Z/4\Z\) | not in database |
| $8$ | 8.0.18431428857856.28 | \(\Z/2\Z \oplus \Z/4\Z\) | not in database |
| $8$ | \(\Q(\sqrt{-3}, \sqrt{-7}, \sqrt{37})\) | \(\Z/6\Z \oplus \Z/6\Z\) | not in database |
| $8$ | 8.4.376151609344.1 | \(\Z/12\Z\) | not in database |
| $8$ | 8.0.30468280356864.103 | \(\Z/12\Z\) | not in database |
| $16$ | deg 16 | \(\Z/8\Z\) | not in database |
| $16$ | deg 16 | \(\Z/3\Z \oplus \Z/12\Z\) | not in database |
| $16$ | deg 16 | \(\Z/2\Z \oplus \Z/12\Z\) | not in database |
| $16$ | deg 16 | \(\Z/2\Z \oplus \Z/12\Z\) | not in database |
| $16$ | deg 16 | \(\Z/2\Z \oplus \Z/12\Z\) | not in database |
| $16$ | deg 16 | \(\Z/2\Z \oplus \Z/12\Z\) | not in database |
| $18$ | 18.6.696906606797966288843602962074253.1 | \(\Z/18\Z\) | not in database |
| $18$ | 18.0.56185703389611501417712177571870809288704.2 | \(\Z/18\Z\) | 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 | ord | ss | split | ss | ord | ord | ord | ss | ord | ord | add | ord | ord | ord |
| $\lambda$-invariant(s) | 2 | 7 | 1,3 | 2 | 1,1 | 1 | 1 | 3 | 1,1 | 1 | 1 | - | 1 | 3 | 1 |
| $\mu$-invariant(s) | 0 | 1 | 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.