Show commands:
SageMath
E = EllipticCurve("bw1")
E.isogeny_class()
Elliptic curves in class 139150.bw
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
139150.bw1 | 139150c2 | \([1, 0, 0, -8811888, 10067459392]\) | \(109348914285625/1472\) | \(1018647575000000\) | \([]\) | \(2916000\) | \(2.4367\) | |
139150.bw2 | 139150c1 | \([1, 0, 0, -115013, 12132517]\) | \(243135625/48668\) | \(33679035448437500\) | \([]\) | \(972000\) | \(1.8874\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 139150.bw have rank \(1\).
Complex multiplication
The elliptic curves in class 139150.bw do not have complex multiplication.Modular form 139150.2.a.bw
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.
\(\left(\begin{array}{rr} 1 & 3 \\ 3 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.