Base field 6.6.1202933.1
Generator \(a\), with minimal polynomial \( x^{6} - 6 x^{4} - 2 x^{3} + 6 x^{2} + x - 1 \); class number \(1\).
sage: R.<x> = PolynomialRing(QQ); K.<a> = NumberField(R([-1, 1, 6, -2, -6, 0, 1]))
gp: K = nfinit(Polrev([-1, 1, 6, -2, -6, 0, 1]));
magma: R<x> := PolynomialRing(Rationals()); K<a> := NumberField(R![-1, 1, 6, -2, -6, 0, 1]);
Weierstrass equation
sage: E = EllipticCurve([K([2,7,-4,-11,0,2]),K([5,-9,-9,6,2,-1]),K([-2,4,3,-5,-1,1]),K([10,-16,-4,22,2,-4]),K([7,-14,-8,12,2,-2])])
gp: E = ellinit([Polrev([2,7,-4,-11,0,2]),Polrev([5,-9,-9,6,2,-1]),Polrev([-2,4,3,-5,-1,1]),Polrev([10,-16,-4,22,2,-4]),Polrev([7,-14,-8,12,2,-2])], K);
magma: E := EllipticCurve([K![2,7,-4,-11,0,2],K![5,-9,-9,6,2,-1],K![-2,4,3,-5,-1,1],K![10,-16,-4,22,2,-4],K![7,-14,-8,12,2,-2]]);
This is a global minimal model.
sage: E.is_global_minimal_model()
Invariants
Conductor: | \((-2a^5+11a^3+4a^2-6a-1)\) | = | \((-2a^5+11a^3+4a^2-6a-1)\) |
sage: E.conductor()
gp: ellglobalred(E)[1]
magma: Conductor(E);
| |||
Conductor norm: | \( 79 \) | = | \(79\) |
sage: E.conductor().norm()
gp: idealnorm(ellglobalred(E)[1])
magma: Norm(Conductor(E));
| |||
Discriminant: | \((-2a^5+11a^3+4a^2-6a-1)\) | = | \((-2a^5+11a^3+4a^2-6a-1)\) |
sage: E.discriminant()
gp: E.disc
magma: Discriminant(E);
| |||
Discriminant norm: | \( 79 \) | = | \(79\) |
sage: E.discriminant().norm()
gp: norm(E.disc)
magma: Norm(Discriminant(E));
| |||
j-invariant: | \( -\frac{2248311}{79} a^{5} + \frac{344041}{79} a^{4} + \frac{12225319}{79} a^{3} + \frac{3867560}{79} a^{2} - \frac{8350654}{79} a - \frac{3874311}{79} \) | ||
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: | \(0\) |
Torsion structure: | trivial |
sage: T = E.torsion_subgroup(); T.invariants()
gp: T = elltors(E); T[2]
magma: T,piT := TorsionSubgroup(E); Invariants(T);
|
BSD invariants
Analytic rank: | \( 0 \) | ||
sage: E.rank()
magma: Rank(E);
|
|||
Mordell-Weil rank: | \(0\) | ||
Regulator: | \( 1 \) | ||
Period: | \( 2447.4086598746841222998622933965141359 \) | ||
Tamagawa product: | \( 1 \) | ||
Torsion order: | \(1\) | ||
Leading coefficient: | \( 2.23144 \) | ||
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\((j)_{-}\) |
---|---|---|---|---|---|---|---|---|
\((-2a^5+11a^3+4a^2-6a-1)\) | \(79\) | \(1\) | \(I_{1}\) | Non-split multiplicative | \(1\) | \(1\) | \(1\) | \(1\) |
Galois Representations
The mod \( p \) Galois Representation has maximal image for all primes \( p < 1000 \) .
Isogenies and isogeny class
This curve has no rational isogenies. Its isogeny class 79.1-a consists of this curve only.
Base change
This elliptic curve is not a \(\Q\)-curve.
It is not the base change of an elliptic curve defined over any subfield.