Base field \(\Q(\sqrt{46}) \)
Generator \(a\), with minimal polynomial \( x^{2} - 46 \); class number \(1\).
sage: R.<x> = PolynomialRing(QQ); K.<a> = NumberField(R([-46, 0, 1]))
gp: K = nfinit(Polrev([-46, 0, 1]));
magma: R<x> := PolynomialRing(Rationals()); K<a> := NumberField(R![-46, 0, 1]);
Weierstrass equation
sage: E = EllipticCurve([K([1,1]),K([0,-1]),K([1,1]),K([-232,-42]),K([-2868,-439])])
gp: E = ellinit([Polrev([1,1]),Polrev([0,-1]),Polrev([1,1]),Polrev([-232,-42]),Polrev([-2868,-439])], K);
magma: E := EllipticCurve([K![1,1],K![0,-1],K![1,1],K![-232,-42],K![-2868,-439]]);
This is a global minimal model.
sage: E.is_global_minimal_model()
Invariants
| Conductor: | \((a-6)\) | = | \((-23a+156)\cdot(9a+61)\) |
sage: E.conductor()
gp: ellglobalred(E)[1]
magma: Conductor(E);
| |||
| Conductor norm: | \( 10 \) | = | \(2\cdot5\) |
sage: E.conductor().norm()
gp: idealnorm(ellglobalred(E)[1])
magma: Norm(Conductor(E));
| |||
| Discriminant: | \((16448a-112128)\) | = | \((-23a+156)^{13}\cdot(9a+61)^{6}\) |
sage: E.discriminant()
gp: E.disc
magma: Discriminant(E);
| |||
| Discriminant norm: | \( 128000000 \) | = | \(2^{13}\cdot5^{6}\) |
sage: E.discriminant().norm()
gp: norm(E.disc)
magma: Norm(Discriminant(E));
| |||
| j-invariant: | \( -\frac{3776907459758737}{2000000} a - \frac{800507282019751}{62500} \) | ||
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 | $\left(7 a + 46 : 41 a + 270 : 1\right)$ |
| Height | \(2.5273784011122664096897825825959267618\) |
| 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: | \( 2.5273784011122664096897825825959267618 \) | ||
| Period: | \( 1.3625404587940403345510405179602214374 \) | ||
| Tamagawa product: | \( 6 \) = \(1\cdot( 2 \cdot 3 )\) | ||
| Torsion order: | \(1\) | ||
| Leading coefficient: | \( 3.0464356657068763149230195962841748107 \) | ||
| 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\((j)_{-}\) |
|---|---|---|---|---|---|---|---|---|
| \((-23a+156)\) | \(2\) | \(1\) | \(I_{13}\) | Non-split multiplicative | \(1\) | \(1\) | \(13\) | \(13\) |
| \((9a+61)\) | \(5\) | \(6\) | \(I_{6}\) | Split multiplicative | \(-1\) | \(1\) | \(6\) | \(6\) |
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 10.1-d 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.