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SageMath
E = EllipticCurve("bb1")
E.isogeny_class()
Elliptic curves in class 84700bb
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
84700.g2 | 84700bb1 | \([0, 1, 0, 5042, 402213]\) | \(1280/7\) | \(-77505793750000\) | \([]\) | \(243000\) | \(1.3472\) | \(\Gamma_0(N)\)-optimal |
84700.g1 | 84700bb2 | \([0, 1, 0, -297458, 62414713]\) | \(-262885120/343\) | \(-3797783893750000\) | \([]\) | \(729000\) | \(1.8965\) |
Rank
sage: E.rank()
The elliptic curves in class 84700bb have rank \(0\).
Complex multiplication
The elliptic curves in class 84700bb do not have complex multiplication.Modular form 84700.2.a.bb
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.
\(\left(\begin{array}{rr} 1 & 3 \\ 3 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.