Show commands:
SageMath
E = EllipticCurve("dx1")
E.isogeny_class()
Elliptic curves in class 72450.dx
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
72450.dx1 | 72450ea4 | \([1, -1, 1, -37536980, 88528217397]\) | \(513516182162686336369/1944885031250\) | \(22153456059082031250\) | \([2]\) | \(8626176\) | \(2.9267\) | |
72450.dx2 | 72450ea3 | \([1, -1, 1, -2380730, 1340717397]\) | \(131010595463836369/7704101562500\) | \(87754531860351562500\) | \([2]\) | \(4313088\) | \(2.5801\) | |
72450.dx3 | 72450ea2 | \([1, -1, 1, -639230, 21227397]\) | \(2535986675931409/1450751712200\) | \(16524968721778125000\) | \([2]\) | \(2875392\) | \(2.3773\) | |
72450.dx4 | 72450ea1 | \([1, -1, 1, -414230, -102072603]\) | \(690080604747409/3406760000\) | \(38805125625000000\) | \([2]\) | \(1437696\) | \(2.0308\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 72450.dx have rank \(0\).
Complex multiplication
The elliptic curves in class 72450.dx do not have complex multiplication.Modular form 72450.2.a.dx
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 LMFDB numbering.
\(\left(\begin{array}{rrrr} 1 & 2 & 3 & 6 \\ 2 & 1 & 6 & 3 \\ 3 & 6 & 1 & 2 \\ 6 & 3 & 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.