Base field \(\Q(\sqrt{209}) \)
Generator \(a\), with minimal polynomial \( x^{2} - x - 52 \); class number \(1\).
magma: R<x> := PolynomialRing(Rationals()); K<a> := NumberField(R![-52, -1, 1]);
sage: x = polygen(QQ); K.<a> = NumberField(x^2 - x - 52)
gp: K = nfinit(a^2 - a - 52);
Weierstrass equation
magma: E := ChangeRing(EllipticCurve([0, a + 1, 1, 4688891060561*a - 36237701385816, -14859019779017908422*a + 114836688394705117771]),K);
sage: E = EllipticCurve(K, [0, a + 1, 1, 4688891060561*a - 36237701385816, -14859019779017908422*a + 114836688394705117771])
gp: E = ellinit([0, a + 1, 1, 4688891060561*a - 36237701385816, -14859019779017908422*a + 114836688394705117771],K)
This is a global minimal model.
sage: E.is_global_minimal_model()
Invariants
| \(\mathfrak{N} \) | = | \((-70 a - 471)\) | = | \( \left(-70 a - 471\right) \) |
| magma: Conductor(E);
sage: E.conductor()
| ||||
| \(N(\mathfrak{N}) \) | = | \( 11 \) | = | \( 11 \) |
| magma: Norm(Conductor(E));
sage: E.conductor().norm()
| ||||
| \(\mathfrak{D}\) | = | \((11)\) | = | \( \left(-70 a - 471\right)^{2} \) |
| magma: Discriminant(E);
sage: E.discriminant()
gp: E.disc
| ||||
| \(N(\mathfrak{D})\) | = | \( 121 \) | = | \( 11^{2} \) |
| magma: Norm(Discriminant(E));
sage: E.discriminant().norm()
gp: norm(E.disc)
| ||||
| \(j\) | = | \( -\frac{52893159101157376}{11} \) | ||
| magma: jInvariant(E);
sage: E.j_invariant()
gp: 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()
Regulator: not available
magma: gens := [P:P in Generators(E)|Order(P) eq 0]; gens;
sage: gens = E.gens(); gens
magma: Regulator(gens);
sage: E.regulator_of_points(gens)
Torsion subgroup
| Structure: | Trivial |
|---|---|
| magma: T,piT := TorsionSubgroup(E); Invariants(T);
sage: T = E.torsion_subgroup(); T.invariants()
gp: T = elltors(E); T[2]
| |
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\((j)_{-}\) |
|---|---|---|---|---|---|---|---|---|
| \( \left(-70 a - 471\right) \) | \(11\) | \(2\) | \(I_{2}\) | Split multiplicative | \(-1\) | \(1\) | \(2\) | \(2\) |
Galois Representations
The mod \( p \) Galois Representation has maximal image for all primes \( p \) except those listed.
| prime | Image of Galois Representation |
|---|---|
| \(5\) | 5B.4.2 |
Isogenies and isogeny class
This curve has non-trivial cyclic isogenies of degree \(d\) for \(d=\)
5 and 25.
Its isogeny class
11.1-b
consists of curves linked by isogenies of
degrees dividing 25.