Minimal Weierstrass equation
Minimal Weierstrass equation
Simplified equation
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\(y^2+xy+y=x^3-x^2-111407855x+452635014647\)
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(homogenize, simplify) |
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\(y^2z+xyz+yz^2=x^3-x^2z-111407855xz^2+452635014647z^3\)
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(dehomogenize, simplify) |
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\(y^2=x^3-1782525675x+28966858411750\)
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(homogenize, minimize) |
Mordell-Weil group structure
\(\Z \oplus \Z/{2}\Z\)
Infinite order Mordell-Weil generator and height
| $P$ | = |
\(\left(5973, 13330\right)\)
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| $\hat{h}(P)$ | ≈ | $2.6437726172829022711173991353$ |
Torsion generators
\( \left(6099, -3050\right) \)
Integral points
\( \left(4699, 178950\right) \), \( \left(4699, -183650\right) \), \( \left(5973, 13330\right) \), \( \left(5973, -19304\right) \), \( \left(6099, -3050\right) \)
Invariants
| Conductor: | \( 418950 \) | = | $2 \cdot 3^{2} \cdot 5^{2} \cdot 7^{2} \cdot 19$ | comment: Conductor
sage: E.conductor().factor()
gp: ellglobalred(E)[1]
magma: Conductor(E);
oscar: conductor(E)
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| Discriminant: | $166312515875940000000 $ | = | $2^{8} \cdot 3^{12} \cdot 5^{7} \cdot 7^{7} \cdot 19 $ | comment: Discriminant
sage: E.discriminant().factor()
gp: E.disc
magma: Discriminant(E);
oscar: discriminant(E)
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| j-invariant: | \( \frac{114113060120923921}{124104960} \) | = | $2^{-8} \cdot 3^{-6} \cdot 5^{-1} \cdot 7^{-1} \cdot 19^{-1} \cdot 485041^{3}$ | 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);
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| Sato-Tate group: | $\mathrm{SU}(2)$ | |||
| Faltings height: | $3.1674395835191342120099029404\dots$ | gp: ellheight(E)
magma: FaltingsHeight(E);
oscar: faltings_height(E)
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| Stable Faltings height: | $0.84045940844037252645922428360\dots$ | magma: StableFaltingsHeight(E);
oscar: stable_faltings_height(E)
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| $abc$ quality: | $0.9574479119060725\dots$ | |||
| Szpiro ratio: | $5.190969263293676\dots$ | |||
BSD invariants
| Analytic rank: | $1$ | sage: E.analytic_rank()
gp: ellanalyticrank(E)
magma: AnalyticRank(E);
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| Regulator: | $2.6437726172829022711173991353\dots$ | comment: Regulator
sage: E.regulator()
G = E.gen \\ if available
magma: Regulator(E);
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| Real period: | $0.15264630474632766692588950798\dots$ | 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: | $ 128 $ = $ 2^{3}\cdot2\cdot2\cdot2^{2}\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: | $2$ | 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) $ ≈ $ 12.913987859768390509394495028 $ | comment: Special L-value
r = E.rank();
gp: [r,L1r] = ellanalyticrank(E); L1r/r!
magma: Lr1 where r,Lr1 := AnalyticRank(E: Precision:=12);
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BSD formula
$\displaystyle 12.913987860 \approx L'(E,1) = \frac{\# Ш(E/\Q)\cdot \Omega_E \cdot \mathrm{Reg}(E/\Q) \cdot \prod_p c_p}{\#E(\Q)_{\rm tor}^2} \approx \frac{1 \cdot 0.152646 \cdot 2.643773 \cdot 128}{2^2} \approx 12.913987860$
Modular invariants
Modular form 418950.2.a.ko
For more coefficients, see the Downloads section to the right.
| Modular degree: | 70778880 | comment: Modular degree
sage: E.modular_degree()
gp: ellmoddegree(E)
magma: ModularDegree(E);
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| $ \Gamma_0(N) $-optimal: | yes | |
| Manin constant: | 1 | comment: Manin constant
magma: ManinConstant(E);
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Local data
This elliptic curve is not semistable. There are 5 primes of bad reduction:
| prime | Tamagawa number | Kodaira symbol | Reduction type | Root number | ord($N$) | ord($\Delta$) | ord$(j)_{-}$ |
|---|---|---|---|---|---|---|---|
| $2$ | $8$ | $I_{8}$ | Split multiplicative | -1 | 1 | 8 | 8 |
| $3$ | $2$ | $I_{6}^{*}$ | Additive | -1 | 2 | 12 | 6 |
| $5$ | $2$ | $I_{1}^{*}$ | Additive | 1 | 2 | 7 | 1 |
| $7$ | $4$ | $I_{1}^{*}$ | Additive | -1 | 2 | 7 | 1 |
| $19$ | $1$ | $I_{1}$ | 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 | 8.24.0.87 |
The image $H:=\rho_E(\Gal(\overline{\Q}/\Q))$ of the adelic Galois representation has level \( 31920 = 2^{4} \cdot 3 \cdot 5 \cdot 7 \cdot 19 \), index $192$, genus $1$, and generators
$\left(\begin{array}{rr} 1 & 16 \\ 23940 & 23941 \end{array}\right),\left(\begin{array}{rr} 5 & 4 \\ 31916 & 31917 \end{array}\right),\left(\begin{array}{rr} 1 & 16 \\ 0 & 1 \end{array}\right),\left(\begin{array}{rr} 31905 & 16 \\ 31904 & 17 \end{array}\right),\left(\begin{array}{rr} 6368 & 31915 \\ 45 & 14 \end{array}\right),\left(\begin{array}{rr} 10627 & 31904 \\ 21536 & 315 \end{array}\right),\left(\begin{array}{rr} 1 & 0 \\ 16 & 1 \end{array}\right),\left(\begin{array}{rr} 4544 & 31915 \\ 9165 & 14 \end{array}\right),\left(\begin{array}{rr} 15 & 2 \\ 31822 & 31907 \end{array}\right),\left(\begin{array}{rr} 4001 & 16 \\ 12170 & 8271 \end{array}\right),\left(\begin{array}{rr} 1688 & 1 \\ 28639 & 10 \end{array}\right)$.
The torsion field $K:=\Q(E[31920])$ is a degree-$732000839270400$ Galois extension of $\Q$ with $\Gal(K/\Q)$ isomorphic to the projection of $H$ to $\GL_2(\Z/31920\Z)$.
Isogenies
This curve has non-trivial cyclic isogenies of degree $d$ for $d=$
2, 4 and 8.
Its isogeny class 418950ko
consists of 6 curves linked by isogenies of
degrees dividing 8.
Twists
The minimal quadratic twist of this elliptic curve is 3990bb1, its twist by $105$.
Iwasawa invariants
No Iwasawa invariant data is available for this curve.
$p$-adic regulators
$p$-adic regulators are not yet computed for curves that are not $\Gamma_0$-optimal.