Properties

Base field 3.3.1957.1
Label 3.3.1957.1-11.1-b4
Conductor \((11,10 a + 4)\)
Conductor norm \( 11 \)
CM no
base-change no
Q-curve no
Torsion order \( 4 \)
Rank not available

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Base field 3.3.1957.1

Generator \(a\), with minimal polynomial \( x^{3} - x^{2} - 9 x + 10 \); class number \(2\).

magma: R<x> := PolynomialRing(Rationals()); K<a> := NumberField(R![10, -9, -1, 1]);
 
sage: x = polygen(QQ); K.<a> = NumberField(x^3 - x^2 - 9*x + 10)
 
gp (2.8): K = nfinit(a^3 - a^2 - 9*a + 10);
 

Weierstrass equation

\( y^2 + \left(a + 1\right) x y + a y = x^{3} + \left(a^{2} - 6\right) x^{2} + \left(-17197107 a^{2} - 32872327 a + 59066077\right) x - 80363961659 a^{2} - 153615979044 a + 276022222850 \)
magma: E := ChangeRing(EllipticCurve([a + 1, a^2 - 6, a, -17197107*a^2 - 32872327*a + 59066077, -80363961659*a^2 - 153615979044*a + 276022222850]),K);
 
sage: E = EllipticCurve(K, [a + 1, a^2 - 6, a, -17197107*a^2 - 32872327*a + 59066077, -80363961659*a^2 - 153615979044*a + 276022222850])
 
gp (2.8): E = ellinit([a + 1, a^2 - 6, a, -17197107*a^2 - 32872327*a + 59066077, -80363961659*a^2 - 153615979044*a + 276022222850],K)
 

This is a global minimal model.

sage: E.is_global_minimal_model()
 

Invariants

\(\mathfrak{N} \) = \((11,10 a + 4)\) = \( \left(11, a - 4\right) \)
magma: Conductor(E);
 
sage: E.conductor()
 
\(N(\mathfrak{N}) \) = \( 11 \) = \( 11 \)
magma: Norm(Conductor(E));
 
sage: E.conductor().norm()
 
\(\mathfrak{D}\) = \((214358881,a + 85326886,a^{2} + 54102142)\) = \( \left(11, a - 4\right)^{8} \)
magma: Discriminant(E);
 
sage: E.discriminant()
 
gp (2.8): E.disc
 
\(N(\mathfrak{D})\) = \( 214358881 \) = \( 11^{8} \)
magma: Norm(Discriminant(E));
 
sage: E.discriminant().norm()
 
gp (2.8): norm(E.disc)
 
\(j\) = \( \frac{5510373784198200}{214358881} a^{2} - \frac{22266438999717392}{214358881} a + \frac{18120112986554473}{214358881} \)
magma: jInvariant(E);
 
sage: E.j_invariant()
 
gp (2.8): E.j
 
\( \text{End} (E) \) = \(\Z\)   (no Complex Multiplication )
magma: HasComplexMultiplication(E);
 
sage: E.has_cm(), E.cm_discriminant()
 
\( \text{ST} (E) \) = $\mathrm{SU}(2)$

Mordell-Weil group

Rank not available.
magma: Rank(E);
 
sage: E.rank()
 
magma: Generators(E); // includes torsion
 
sage: E.gens()
 

Regulator: not available

magma: Regulator(Generators(E));
 
sage: E.regulator_of_points(E.gens())
 

Torsion subgroup

Structure: \(\Z/2\Z\times\Z/2\Z\)
magma: TorsionSubgroup(E);
 
sage: E.torsion_subgroup().gens()
 
gp (2.8): elltors(E)[2]
 
magma: Order(TorsionSubgroup(E));
 
sage: E.torsion_order()
 
gp (2.8): elltors(E)[1]
 
Generators: $\left(1453 a^{2} + 2778 a - 4990 : -2842 a^{2} - 5433 a + 9760 : 1\right)$,$\left(-535 a^{2} - 1022 a + 1838 : 1046 a^{2} + 1999 a - 3594 : 1\right)$
magma: [f(P): P in Generators(T)] where T,f:=TorsionSubgroup(E);
 
sage: E.torsion_subgroup().gens()
 
gp (2.8): elltors(E)[3]
 

Local data at primes of bad reduction

magma: LocalInformation(E);
 
sage: E.local_data()
 
prime Norm Tamagawa number Kodaira symbol Reduction type Root number ord(\(\mathfrak{N}\)) ord(\(\mathfrak{D}\)) ord\((j)_{-}\)
\( \left(11, a - 4\right) \) \(11\) \(2\) \(I_{8}\) Non-split multiplicative \(1\) \(1\) \(8\) \(8\)

Galois Representations

The mod \( p \) Galois Representation has maximal image for all primes \( p \) except those listed.

prime Image of Galois Representation
\(2\) 2Cs

Isogenies and isogeny class

This curve has non-trivial cyclic isogenies of degree \(d\) for \(d=\) 2 and 4.
Its isogeny class 11.1-b consists of curves linked by isogenies of degrees dividing 8.

Base change

This curve is not the base-change of an elliptic curve defined over \(\Q\). It is not a \(\Q\)-curve.