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SageMath
E = EllipticCurve("bbt1")
E.isogeny_class()
Elliptic curves in class 235200.bbt
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
235200.bbt1 | 235200bbt2 | \([0, 1, 0, -491633, -125905137]\) | \(1272112/75\) | \(774789254400000000\) | \([2]\) | \(4128768\) | \(2.1858\) | |
235200.bbt2 | 235200bbt1 | \([0, 1, 0, 22867, -8084637]\) | \(2048/45\) | \(-29054597040000000\) | \([2]\) | \(2064384\) | \(1.8393\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 235200.bbt have rank \(0\).
Complex multiplication
The elliptic curves in class 235200.bbt do not have complex multiplication.Modular form 235200.2.a.bbt
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.
\(\left(\begin{array}{rr} 1 & 2 \\ 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.