Show commands:
SageMath
E = EllipticCurve("dq1")
E.isogeny_class()
Elliptic curves in class 414960.dq
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
414960.dq1 | 414960dq4 | \([0, -1, 0, -3494520, -2513206800]\) | \(1152196308890224287481/5336644950\) | \(21858897715200\) | \([2]\) | \(6291456\) | \(2.1846\) | |
414960.dq2 | 414960dq2 | \([0, -1, 0, -218520, -39171600]\) | \(281734042678323481/605361802500\) | \(2479561943040000\) | \([2, 2]\) | \(3145728\) | \(1.8380\) | |
414960.dq3 | 414960dq3 | \([0, -1, 0, -142520, -66896400]\) | \(-78161746041159481/427424303164950\) | \(-1750729945763635200\) | \([2]\) | \(6291456\) | \(2.1846\) | |
414960.dq4 | 414960dq1 | \([0, -1, 0, -18520, -131600]\) | \(171518180523481/97256250000\) | \(398361600000000\) | \([2]\) | \(1572864\) | \(1.4915\) | \(\Gamma_0(N)\)-optimal* |
Rank
sage: E.rank()
The elliptic curves in class 414960.dq have rank \(1\).
Complex multiplication
The elliptic curves in class 414960.dq do not have complex multiplication.Modular form 414960.2.a.dq
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.
\(\left(\begin{array}{rrrr} 1 & 2 & 4 & 4 \\ 2 & 1 & 2 & 2 \\ 4 & 2 & 1 & 4 \\ 4 & 2 & 4 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.