Show commands:
SageMath
E = EllipticCurve("r1")
E.isogeny_class()
Elliptic curves in class 302016r
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
302016.r3 | 302016r1 | \([0, -1, 0, -371389, -63740147]\) | \(3122884507648/835956693\) | \(1516491033607959552\) | \([2]\) | \(5160960\) | \(2.1969\) | \(\Gamma_0(N)\)-optimal |
302016.r2 | 302016r2 | \([0, -1, 0, -2135569, 1150368529]\) | \(37109806448848/1803785841\) | \(52355344765219651584\) | \([2, 2]\) | \(10321920\) | \(2.5434\) | |
302016.r1 | 302016r3 | \([0, -1, 0, -33760129, 75512358913]\) | \(36652193922790372/93308787\) | \(10833245503914442752\) | \([2]\) | \(20643840\) | \(2.8900\) | |
302016.r4 | 302016r4 | \([0, -1, 0, 1262111, 4463106529]\) | \(1915049403068/75239967231\) | \(-8735437067892660043776\) | \([2]\) | \(20643840\) | \(2.8900\) |
Rank
sage: E.rank()
The elliptic curves in class 302016r have rank \(1\).
Complex multiplication
The elliptic curves in class 302016r do not have complex multiplication.Modular form 302016.2.a.r
sage: E.q_eigenform(10)
Isogeny matrix
sage: E.isogeny_class().matrix()
The \(i,j\) entry is the smallest degree of a cyclic isogeny between the \(i\)-th and \(j\)-th curve in the isogeny class, in the Cremona numbering.
\(\left(\begin{array}{rrrr} 1 & 2 & 4 & 4 \\ 2 & 1 & 2 & 2 \\ 4 & 2 & 1 & 4 \\ 4 & 2 & 4 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.