Show commands:
SageMath
E = EllipticCurve("bu1")
E.isogeny_class()
Elliptic curves in class 111090bu
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
111090.bx1 | 111090bu1 | \([1, 1, 1, -2732296, 1735977353]\) | \(15238420194810961/12619514880\) | \(1868141104009528320\) | \([2]\) | \(3548160\) | \(2.4343\) | \(\Gamma_0(N)\)-optimal |
111090.bx2 | 111090bu2 | \([1, 1, 1, -2139816, 2510467209]\) | \(-7319577278195281/14169067365600\) | \(-2097530483767484018400\) | \([2]\) | \(7096320\) | \(2.7809\) |
Rank
sage: E.rank()
The elliptic curves in class 111090bu have rank \(0\).
Complex multiplication
The elliptic curves in class 111090bu do not have complex multiplication.Modular form 111090.2.a.bu
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.
\(\left(\begin{array}{rr} 1 & 2 \\ 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.