Properties

Label 6.6.1387029.1-27.1-m2
Base field 6.6.1387029.1
Conductor norm \( 27 \)
CM no
Base change no
Q-curve no
Torsion order \( 1 \)
Rank \( 1 \)

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Base field 6.6.1387029.1

Generator \(a\), with minimal polynomial \( x^{6} - 3 x^{5} - 2 x^{4} + 9 x^{3} - x^{2} - 4 x + 1 \); class number \(1\).

sage: R.<x> = PolynomialRing(QQ); K.<a> = NumberField(R([1, -4, -1, 9, -2, -3, 1]))
 
gp: K = nfinit(Polrev([1, -4, -1, 9, -2, -3, 1]));
 
magma: R<x> := PolynomialRing(Rationals()); K<a> := NumberField(R![1, -4, -1, 9, -2, -3, 1]);
 

Weierstrass equation

\({y}^2+\left(-2a^{5}+5a^{4}+6a^{3}-13a^{2}-4a+3\right){x}{y}+\left(-a^{5}+3a^{4}+2a^{3}-7a^{2}-a+2\right){y}={x}^{3}+\left(2a^{5}-4a^{4}-8a^{3}+11a^{2}+6a-2\right){x}^{2}+\left(2a^{5}-3a^{4}-14a^{3}+14a^{2}+20a-8\right){x}-6a^{5}+13a^{4}+20a^{3}-29a^{2}-25a+8\)
sage: E = EllipticCurve([K([3,-4,-13,6,5,-2]),K([-2,6,11,-8,-4,2]),K([2,-1,-7,2,3,-1]),K([-8,20,14,-14,-3,2]),K([8,-25,-29,20,13,-6])])
 
gp: E = ellinit([Polrev([3,-4,-13,6,5,-2]),Polrev([-2,6,11,-8,-4,2]),Polrev([2,-1,-7,2,3,-1]),Polrev([-8,20,14,-14,-3,2]),Polrev([8,-25,-29,20,13,-6])], K);
 
magma: E := EllipticCurve([K![3,-4,-13,6,5,-2],K![-2,6,11,-8,-4,2],K![2,-1,-7,2,3,-1],K![-8,20,14,-14,-3,2],K![8,-25,-29,20,13,-6]]);
 

This is a global minimal model.

sage: E.is_global_minimal_model()
 

Invariants

Conductor: \((a^5-3a^4-3a^3+8a^2+2a-2)\) = \((a^5-3a^4-2a^3+8a^2+a-2)^{3}\)
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: \((2a^5-5a^4-6a^3+13a^2+5a-1)\) = \((a^5-3a^4-2a^3+8a^2+a-2)^{3}\)
sage: E.discriminant()
 
gp: E.disc
 
magma: Discriminant(E);
 
Discriminant norm: \( 27 \) = \(3^{3}\)
sage: E.discriminant().norm()
 
gp: norm(E.disc)
 
magma: Norm(Discriminant(E));
 
j-invariant: \( -299305685195614 a^{5} + 680716257852464 a^{4} + 1092230058549534 a^{3} - 1900039659101359 a^{2} - 1078999702066057 a + 411511313785941 \)
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 $\left(a^{5} - 3 a^{4} - 2 a^{3} + 8 a^{2} + a - 2 : -2 a : 1\right)$
Height \(0.21191574768859783120457613957488600519\)
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: \( 1 \)
sage: E.rank()
 
magma: Rank(E);
 
Mordell-Weil rank: \(1\)
Regulator: \( 0.21191574768859783120457613957488600519 \)
Period: \( 3401.7406834986274071696672721333210339 \)
Tamagawa product: \( 1 \)
Torsion order: \(1\)
Leading coefficient: \( 3.67259 \)
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\((j)_{-}\)
\((a^5-3a^4-2a^3+8a^2+a-2)\) \(3\) \(1\) \(II\) Additive \(-1\) \(3\) \(3\) \(0\)

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

Isogenies and isogeny class

This curve has non-trivial cyclic isogenies of degree \(d\) for \(d=\) 3.
Its isogeny class 27.1-m 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.