Properties

Label 6.6.1387029.1-27.1-a1
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

\({y}^2+\left(-a^{5}+2a^{4}+5a^{3}-6a^{2}-6a+3\right){x}{y}+\left(-2a^{5}+5a^{4}+7a^{3}-14a^{2}-6a+4\right){y}={x}^{3}+\left(-3a^{5}+7a^{4}+9a^{3}-18a^{2}-3a+4\right){x}^{2}+\left(34a^{5}-93a^{4}-89a^{3}+287a^{2}+37a-129\right){x}+181a^{5}-476a^{4}-535a^{3}+1502a^{2}+245a-674\)
sage: E = EllipticCurve([K([3,-6,-6,5,2,-1]),K([4,-3,-18,9,7,-3]),K([4,-6,-14,7,5,-2]),K([-129,37,287,-89,-93,34]),K([-674,245,1502,-535,-476,181])])
 
gp: E = ellinit([Polrev([3,-6,-6,5,2,-1]),Polrev([4,-3,-18,9,7,-3]),Polrev([4,-6,-14,7,5,-2]),Polrev([-129,37,287,-89,-93,34]),Polrev([-674,245,1502,-535,-476,181])], K);
 
magma: E := EllipticCurve([K![3,-6,-6,5,2,-1],K![4,-3,-18,9,7,-3],K![4,-6,-14,7,5,-2],K![-129,37,287,-89,-93,34],K![-674,245,1502,-535,-476,181]]);
 

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: \((3a^5-7a^4-12a^3+22a^2+10a-2)\) = \((a^5-3a^4-2a^3+8a^2+a-2)^{9}\)
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: \( 12939256412099098 a^{5} - 16309401572623020 a^{4} - 54249386561334944 a^{3} + 22084272647214278 a^{2} + 25477242594839873 a - 7438316200111393 \)
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 $\left(-\frac{706}{27} a^{5} + \frac{1925}{27} a^{4} + \frac{1811}{27} a^{3} - \frac{1847}{9} a^{2} - \frac{778}{27} a + 92 : \frac{54521}{243} a^{5} - \frac{147485}{243} a^{4} - \frac{157316}{243} a^{3} + \frac{460319}{243} a^{2} + \frac{74531}{243} a - \frac{204457}{243} : 1\right)$
Height \(3.2676628565411468851030084605482013398\)
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: \( 3.2676628565411468851030084605482013398 \)
Period: \( 60.291080215039978015744251948330543060 \)
Tamagawa product: \( 3 \)
Torsion order: \(1\)
Leading coefficient: \( 3.01106 \)
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\((j)_{-}\)
\((a^5-3a^4-2a^3+8a^2+a-2)\) \(3\) \(3\) \(IV^{*}\) 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.1.2

Isogenies and isogeny class

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