Show commands:
SageMath
E = EllipticCurve("d1")
E.isogeny_class()
Elliptic curves in class 309738d
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
309738.d2 | 309738d1 | \([1, 1, 0, 4686, 276876]\) | \(241804367/833976\) | \(-39235135652856\) | \([]\) | \(1710720\) | \(1.2914\) | \(\Gamma_0(N)\)-optimal |
309738.d1 | 309738d2 | \([1, 1, 0, -222744, 40441014]\) | \(-25979045828113/52635726\) | \(-2476294101744606\) | \([]\) | \(5132160\) | \(1.8407\) |
Rank
sage: E.rank()
The elliptic curves in class 309738d have rank \(0\).
Complex multiplication
The elliptic curves in class 309738d do not have complex multiplication.Modular form 309738.2.a.d
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.
\(\left(\begin{array}{rr} 1 & 3 \\ 3 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.