Minimal Weierstrass equation
Minimal Weierstrass equation
Simplified equation
\(y^2+xy=x^3-231240x+187785792\) | (homogenize, simplify) |
\(y^2z+xyz=x^3-231240xz^2+187785792z^3\) | (dehomogenize, simplify) |
\(y^2=x^3-299687067x+8762232972726\) | (homogenize, minimize) |
Mordell-Weil group structure
\(\Z \oplus \Z/{9}\Z\)
Infinite order Mordell-Weil generator and height
$P$ | = | \(\left(-696, 3768\right)\) |
$\hat{h}(P)$ | ≈ | $2.4950556532434917892028406276$ |
Torsion generators
\( \left(564, 15108\right) \)
Integral points
\( \left(-696, 3768\right) \), \( \left(-696, -3072\right) \), \( \left(-576, 11688\right) \), \( \left(-576, -11112\right) \), \( \left(24, 13488\right) \), \( \left(24, -13512\right) \), \( \left(222, 12030\right) \), \( \left(222, -12252\right) \), \( \left(564, 15108\right) \), \( \left(564, -15672\right) \), \( \left(1224, 41088\right) \), \( \left(1224, -42312\right) \), \( \left(2274, 105738\right) \), \( \left(2274, -108012\right) \), \( \left(5694, 425508\right) \), \( \left(5694, -431202\right) \), \( \left(16524, 2114988\right) \), \( \left(16524, -2131512\right) \)
Invariants
Conductor: | \( 60990 \) | = | $2 \cdot 3 \cdot 5 \cdot 19 \cdot 107$ | comment: Conductor
sage: E.conductor().factor()
gp: ellglobalred(E)[1]
magma: Conductor(E);
oscar: conductor(E)
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Discriminant: | $-14445609579000000000 $ | = | $-1 \cdot 2^{9} \cdot 3^{9} \cdot 5^{9} \cdot 19^{3} \cdot 107 $ | comment: Discriminant
sage: E.discriminant().factor()
gp: E.disc
magma: Discriminant(E);
oscar: discriminant(E)
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j-invariant: | \( -\frac{1367453954870275397761}{14445609579000000000} \) | = | $-1 \cdot 2^{-9} \cdot 3^{-9} \cdot 5^{-9} \cdot 17^{3} \cdot 19^{-3} \cdot 107^{-1} \cdot 652913^{3}$ | comment: j-invariant
sage: E.j_invariant().factor()
gp: E.j
magma: jInvariant(E);
oscar: j_invariant(E)
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Endomorphism ring: | $\Z$ | |||
Geometric endomorphism ring: | \(\Z\) | (no potential complex multiplication) | sage: E.has_cm()
magma: HasComplexMultiplication(E);
| |
Sato-Tate group: | $\mathrm{SU}(2)$ | |||
Faltings height: | $2.3585318929193217445959000253\dots$ | gp: ellheight(E)
magma: FaltingsHeight(E);
oscar: faltings_height(E)
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Stable Faltings height: | $2.3585318929193217445959000253\dots$ | magma: StableFaltingsHeight(E);
oscar: stable_faltings_height(E)
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$abc$ quality: | $0.9730763572648525\dots$ | |||
Szpiro ratio: | $4.6853145859960135\dots$ |
BSD invariants
Analytic rank: | $1$ | sage: E.analytic_rank()
gp: ellanalyticrank(E)
magma: AnalyticRank(E);
|
Regulator: | $2.4950556532434917892028406276\dots$ | comment: Regulator
sage: E.regulator()
G = E.gen \\ if available
magma: Regulator(E);
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Real period: | $0.18936597646960235652222054051\dots$ | comment: Real Period
sage: E.period_lattice().omega()
gp: if(E.disc>0,2,1)*E.omega[1]
magma: (Discriminant(E) gt 0 select 2 else 1) * RealPeriod(E);
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Tamagawa product: | $ 2187 $ = $ 3^{2}\cdot3^{2}\cdot3^{2}\cdot3\cdot1 $ | comment: Tamagawa numbers
sage: E.tamagawa_numbers()
gp: gr=ellglobalred(E); [[gr[4][i,1],gr[5][i][4]] | i<-[1..#gr[4][,1]]]
magma: TamagawaNumbers(E);
oscar: tamagawa_numbers(E)
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Torsion order: | $9$ | comment: Torsion order
sage: E.torsion_order()
gp: elltors(E)[1]
magma: Order(TorsionSubgroup(E));
oscar: prod(torsion_structure(E)[1])
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Analytic order of Ш: | $1$ ( rounded) | comment: Order of Sha
sage: E.sha().an_numerical()
magma: MordellWeilShaInformation(E);
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Special value: | $ L'(E,1) $ ≈ $ 12.756923553306295873645585429 $ | comment: Special L-value
r = E.rank();
gp: [r,L1r] = ellanalyticrank(E); L1r/r!
magma: Lr1 where r,Lr1 := AnalyticRank(E: Precision:=12);
|
BSD formula
$\displaystyle 12.756923553 \approx L'(E,1) = \frac{\# Ш(E/\Q)\cdot \Omega_E \cdot \mathrm{Reg}(E/\Q) \cdot \prod_p c_p}{\#E(\Q)_{\rm tor}^2} \approx \frac{1 \cdot 0.189366 \cdot 2.495056 \cdot 2187}{9^2} \approx 12.756923553$
Modular invariants
Modular form 60990.2.a.bh
For more coefficients, see the Downloads section to the right.
Modular degree: | 1469664 | comment: Modular degree
sage: E.modular_degree()
gp: ellmoddegree(E)
magma: ModularDegree(E);
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$ \Gamma_0(N) $-optimal: | yes | |
Manin constant: | 1 | comment: Manin constant
magma: ManinConstant(E);
|
Local data
This elliptic curve is semistable. There are 5 primes of bad reduction:
prime | Tamagawa number | Kodaira symbol | Reduction type | Root number | ord($N$) | ord($\Delta$) | ord$(j)_{-}$ |
---|---|---|---|---|---|---|---|
$2$ | $9$ | $I_{9}$ | Split multiplicative | -1 | 1 | 9 | 9 |
$3$ | $9$ | $I_{9}$ | Split multiplicative | -1 | 1 | 9 | 9 |
$5$ | $9$ | $I_{9}$ | Split multiplicative | -1 | 1 | 9 | 9 |
$19$ | $3$ | $I_{3}$ | Split multiplicative | -1 | 1 | 3 | 3 |
$107$ | $1$ | $I_{1}$ | Non-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.1.1 | 9.72.0.5 |
The image $H:=\rho_E(\Gal(\overline{\Q}/\Q))$ of the adelic Galois representation has level \( 731880 = 2^{3} \cdot 3^{2} \cdot 5 \cdot 19 \cdot 107 \), index $144$, genus $3$, and generators
$\left(\begin{array}{rr} 365942 & 182979 \\ 548865 & 447058 \end{array}\right),\left(\begin{array}{rr} 1 & 18 \\ 0 & 1 \end{array}\right),\left(\begin{array}{rr} 731863 & 18 \\ 731862 & 19 \end{array}\right),\left(\begin{array}{rr} 10 & 9 \\ 146367 & 731872 \end{array}\right),\left(\begin{array}{rr} 548911 & 18 \\ 0 & 1 \end{array}\right),\left(\begin{array}{rr} 1 & 18 \\ 10 & 181 \end{array}\right),\left(\begin{array}{rr} 10 & 9 \\ 81 & 73 \end{array}\right),\left(\begin{array}{rr} 577810 & 9 \\ 577791 & 731872 \end{array}\right),\left(\begin{array}{rr} 1 & 0 \\ 18 & 1 \end{array}\right),\left(\begin{array}{rr} 540370 & 9 \\ 465111 & 731872 \end{array}\right),\left(\begin{array}{rr} 10 & 9 \\ 365931 & 731872 \end{array}\right)$.
The torsion field $K:=\Q(E[731880])$ is a degree-$318232175509713715200$ Galois extension of $\Q$ with $\Gal(K/\Q)$ isomorphic to the projection of $H$ to $\GL_2(\Z/731880\Z)$.
Isogenies
This curve has non-trivial cyclic isogenies of degree $d$ for $d=$
3 and 9.
Its isogeny class 60990bj
consists of 3 curves linked by isogenies of
degrees dividing 9.
Twists
This elliptic curve is its own minimal quadratic twist.
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 $E(\Q)_{\rm tors}$ $\cong \Z/{9}\Z$ are as follows:
$[K:\Q]$ | $K$ | $E(K)_{\rm tors}$ | Base change curve |
---|---|---|---|
$3$ | 3.1.243960.1 | \(\Z/18\Z\) | Not in database |
$6$ | 6.0.14519640851136000.1 | \(\Z/2\Z \oplus \Z/18\Z\) | Not in database |
$6$ | 6.0.3539149227.1 | \(\Z/3\Z \oplus \Z/9\Z\) | Not in database |
$9$ | 9.3.88486198437435432735267000000.1 | \(\Z/27\Z\) | Not in database |
$12$ | deg 12 | \(\Z/36\Z\) | Not in database |
$18$ | 18.0.97801549106270070731472775747204342743969792000000.2 | \(\Z/3\Z \oplus \Z/18\Z\) | 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 | 107 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Reduction type | split | split | split | ord | ord | ord | ss | split | ord | ord | ord | ord | ord | ord | ord | nonsplit |
$\lambda$-invariant(s) | 6 | 6 | 2 | 1 | 1 | 1 | 1,1 | 2 | 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 |
$p$-adic regulators
Note: $p$-adic regulator data only exists for primes $p\ge 5$ of good ordinary reduction.