Base field 6.6.1397493.1
Generator \(a\), with minimal polynomial \( x^{6} - 3 x^{5} - 3 x^{4} + 10 x^{3} + 3 x^{2} - 6 x + 1 \); class number \(1\).
sage: R.<x> = PolynomialRing(QQ); K.<a> = NumberField(R([1, -6, 3, 10, -3, -3, 1]))
gp: K = nfinit(Polrev([1, -6, 3, 10, -3, -3, 1]));
magma: R<x> := PolynomialRing(Rationals()); K<a> := NumberField(R![1, -6, 3, 10, -3, -3, 1]);
Weierstrass equation
sage: E = EllipticCurve([K([-3,6,0,-3,1,0]),K([-5,11,10,-7,-2,1]),K([-3,2,8,-2,-3,1]),K([16,-11,-23,8,6,-2]),K([-22,24,42,-18,-13,5])])
gp: E = ellinit([Polrev([-3,6,0,-3,1,0]),Polrev([-5,11,10,-7,-2,1]),Polrev([-3,2,8,-2,-3,1]),Polrev([16,-11,-23,8,6,-2]),Polrev([-22,24,42,-18,-13,5])], K);
magma: E := EllipticCurve([K![-3,6,0,-3,1,0],K![-5,11,10,-7,-2,1],K![-3,2,8,-2,-3,1],K![16,-11,-23,8,6,-2],K![-22,24,42,-18,-13,5]]);
This is a global minimal model.
sage: E.is_global_minimal_model()
Invariants
Conductor: | \((-a^5+3a^4+3a^3-8a^2-6a)\) | = | \((a^3-a^2-3a)^{3}\) |
sage: E.conductor()
gp: ellglobalred(E)[1]
magma: Conductor(E);
| |||
Conductor norm: | \( 27 \) | = | \(3^{3}\) |
sage: E.conductor().norm()
gp: idealnorm(ellglobalred(E)[1])
magma: Norm(Conductor(E));
| |||
Discriminant: | \((-3a^4+9a^3-15a+9)\) | = | \((a^3-a^2-3a)^{9}\) |
sage: E.discriminant()
gp: E.disc
magma: Discriminant(E);
| |||
Discriminant norm: | \( 19683 \) | = | \(3^{9}\) |
sage: E.discriminant().norm()
gp: norm(E.disc)
magma: Norm(Discriminant(E));
| |||
j-invariant: | \( 31337523 a^{5} - 128952081 a^{4} + 49925556 a^{3} + 257372748 a^{2} - 193378914 a + 28043883 \) | ||
sage: E.j_invariant()
gp: E.j
magma: jInvariant(E);
| |||
Endomorphism ring: | \(\Z\) | ||
Geometric endomorphism ring: | \(\Z\) | (no potential complex multiplication) | |
sage: E.has_cm(), E.cm_discriminant()
magma: HasComplexMultiplication(E);
| |||
Sato-Tate group: | $\mathrm{SU}(2)$ |
Mordell-Weil group
Rank: | \(1\) |
Generator | $\left(a^{5} - 3 a^{4} - 2 a^{3} + 5 a^{2} + 5 a + 3 : -10 a^{5} + 27 a^{4} + 37 a^{3} - 82 a^{2} - 58 a + 29 : 1\right)$ |
Height | \(0.034078774406413841674109693728738132561\) |
Torsion structure: | \(\Z/3\Z\) |
sage: T = E.torsion_subgroup(); T.invariants()
gp: T = elltors(E); T[2]
magma: T,piT := TorsionSubgroup(E); Invariants(T);
| |
Torsion generator: | $\left(-a^{5} + \frac{8}{3} a^{4} + \frac{10}{3} a^{3} - 8 a^{2} - \frac{14}{3} a + \frac{11}{3} : \frac{2}{3} a^{5} - \frac{5}{3} a^{4} - \frac{5}{3} a^{3} + \frac{13}{3} a^{2} + \frac{5}{3} a - \frac{7}{3} : 1\right)$ |
sage: T.gens()
gp: T[3]
magma: [piT(P) : P in Generators(T)];
|
BSD invariants
Analytic rank: | \( 1 \) | ||
sage: E.rank()
magma: Rank(E);
|
|||
Mordell-Weil rank: | \(1\) | ||
Regulator: | \( 0.034078774406413841674109693728738132561 \) | ||
Period: | \( 56479.063644706498032255049727204084948 \) | ||
Tamagawa product: | \( 3 \) | ||
Torsion order: | \(3\) | ||
Leading coefficient: | \( 3.25632 \) | ||
Analytic order of Ш: | \( 1 \) (rounded) |
Local data at primes of bad reduction
sage: E.local_data()
magma: LocalInformation(E);
prime | Norm | Tamagawa number | Kodaira symbol | Reduction type | Root number | ord(\(\mathfrak{N}\)) | ord(\(\mathfrak{D}\)) | ord\((j)_{-}\) |
---|---|---|---|---|---|---|---|---|
\((a^3-a^2-3a)\) | \(3\) | \(3\) | \(IV^{*}\) | Additive | \(-1\) | \(3\) | \(9\) | \(0\) |
Galois Representations
The mod \( p \) Galois Representation has maximal image for all primes \( p < 1000 \) except those listed.
prime | Image of Galois Representation |
---|---|
\(3\) | 3B.1.1 |
Isogenies and isogeny class
This curve has non-trivial cyclic isogenies of degree \(d\) for \(d=\)
3.
Its isogeny class
27.1-i
consists of curves linked by isogenies of
degree 3.
Base change
This elliptic curve is not a \(\Q\)-curve.
It is not the base change of an elliptic curve defined over any subfield.