Minimal Weierstrass equation
Minimal Weierstrass equation
Simplified equation
\(y^2+xy+y=x^3-26205578x+49374530048\) | (homogenize, simplify) |
\(y^2z+xyz+yz^2=x^3-26205578xz^2+49374530048z^3\) | (dehomogenize, simplify) |
\(y^2=x^3-33962428467x+2303719961216526\) | (homogenize, minimize) |
Mordell-Weil group structure
\(\Z \oplus \Z/{2}\Z\)
Infinite order Mordell-Weil generator and height
$P$ | = | \(\left(3579, 36055\right)\) |
$\hat{h}(P)$ | ≈ | $1.1864376203304798872987739129$ |
Torsion generators
\( \left(-\frac{23529}{4}, \frac{23525}{8}\right) \)
Integral points
\( \left(2319, 31645\right) \), \( \left(2319, -33965\right) \), \( \left(3579, 36055\right) \), \( \left(3579, -39635\right) \), \( \left(18924, 2506600\right) \), \( \left(18924, -2525525\right) \)
Invariants
Conductor: | \( 479370 \) | = | $2 \cdot 3 \cdot 5 \cdot 19 \cdot 29^{2}$ | comment: Conductor
sage: E.conductor().factor()
gp: ellglobalred(E)[1]
magma: Conductor(E);
oscar: conductor(E)
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Discriminant: | $98515982158156246747500 $ | = | $2^{2} \cdot 3^{20} \cdot 5^{4} \cdot 19 \cdot 29^{6} $ | comment: Discriminant
sage: E.discriminant().factor()
gp: E.disc
magma: Discriminant(E);
oscar: discriminant(E)
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j-invariant: | \( \frac{3345930611358906241}{165622259047500} \) | = | $2^{-2} \cdot 3^{-20} \cdot 5^{-4} \cdot 11^{6} \cdot 19^{-1} \cdot 47^{3} \cdot 263^{3}$ | 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: | $3.1711363029136485369957682949\dots$ | gp: ellheight(E)
magma: FaltingsHeight(E);
oscar: faltings_height(E)
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Stable Faltings height: | $1.4874883879204115234041322787\dots$ | magma: StableFaltingsHeight(E);
oscar: stable_faltings_height(E)
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$abc$ quality: | $1.081271340032757\dots$ | |||
Szpiro ratio: | $4.805577656475797\dots$ |
BSD invariants
Analytic rank: | $1$ | sage: E.analytic_rank()
gp: ellanalyticrank(E)
magma: AnalyticRank(E);
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Regulator: | $1.1864376203304798872987739129\dots$ | comment: Regulator
sage: E.regulator()
G = E.gen \\ if available
magma: Regulator(E);
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Real period: | $0.10519923910650908386358766885\dots$ | 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: | $ 320 $ = $ 2\cdot( 2^{2} \cdot 5 )\cdot2^{2}\cdot1\cdot2 $ | 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) $ ≈ $ 9.9849867924883037321064999834 $ | 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
$\displaystyle 9.984986792 \approx L'(E,1) = \frac{\# Ш(E/\Q)\cdot \Omega_E \cdot \mathrm{Reg}(E/\Q) \cdot \prod_p c_p}{\#E(\Q)_{\rm tor}^2} \approx \frac{1 \cdot 0.105199 \cdot 1.186438 \cdot 320}{2^2} \approx 9.984986792$
Modular invariants
Modular form 479370.2.a.bm
For more coefficients, see the Downloads section to the right.
Modular degree: | 96337920 | comment: Modular degree
sage: E.modular_degree()
gp: ellmoddegree(E)
magma: ModularDegree(E);
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$ \Gamma_0(N) $-optimal: | no | |
Manin constant: | 1 (conditional*) | comment: Manin constant
magma: ManinConstant(E);
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Local data
This elliptic curve is not semistable. There are 5 primes of bad reduction:
prime | Tamagawa number | Kodaira symbol | Reduction type | Root number | ord($N$) | ord($\Delta$) | ord$(j)_{-}$ |
---|---|---|---|---|---|---|---|
$2$ | $2$ | $I_{2}$ | Non-split multiplicative | 1 | 1 | 2 | 2 |
$3$ | $20$ | $I_{20}$ | Split multiplicative | -1 | 1 | 20 | 20 |
$5$ | $4$ | $I_{4}$ | Split multiplicative | -1 | 1 | 4 | 4 |
$19$ | $1$ | $I_{1}$ | Non-split multiplicative | 1 | 1 | 1 | 1 |
$29$ | $2$ | $I_0^{*}$ | 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 |
---|---|---|
$2$ | 2B | 4.6.0.1 |
The image $H:=\rho_E(\Gal(\overline{\Q}/\Q))$ of the adelic Galois representation has level \( 66120 = 2^{3} \cdot 3 \cdot 5 \cdot 19 \cdot 29 \), index $48$, genus $0$, and generators
$\left(\begin{array}{rr} 18239 & 0 \\ 0 & 66119 \end{array}\right),\left(\begin{array}{rr} 44081 & 13688 \\ 50924 & 54753 \end{array}\right),\left(\begin{array}{rr} 1 & 0 \\ 8 & 1 \end{array}\right),\left(\begin{array}{rr} 11688 & 21953 \\ 23113 & 2640 \end{array}\right),\left(\begin{array}{rr} 1 & 8 \\ 0 & 1 \end{array}\right),\left(\begin{array}{rr} 46459 & 46458 \\ 13978 & 40195 \end{array}\right),\left(\begin{array}{rr} 66113 & 8 \\ 66112 & 9 \end{array}\right),\left(\begin{array}{rr} 1 & 4 \\ 4 & 17 \end{array}\right),\left(\begin{array}{rr} 52897 & 13688 \\ 20068 & 54753 \end{array}\right),\left(\begin{array}{rr} 26768 & 54723 \\ 52925 & 18242 \end{array}\right),\left(\begin{array}{rr} 7 & 6 \\ 66114 & 66115 \end{array}\right)$.
The torsion field $K:=\Q(E[66120])$ is a degree-$61915070988288000$ Galois extension of $\Q$ with $\Gal(K/\Q)$ isomorphic to the projection of $H$ to $\GL_2(\Z/66120\Z)$.
Isogenies
This curve has non-trivial cyclic isogenies of degree $d$ for $d=$
2 and 4.
Its isogeny class 479370.bm
consists of 4 curves linked by isogenies of
degrees dividing 4.
Twists
The minimal quadratic twist of this elliptic curve is 570.i2, its twist by $29$.
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.