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SageMath
E = EllipticCurve("b1")
E.isogeny_class()
Elliptic curves in class 400710b
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
400710.b3 | 400710b1 | \([1, 1, 0, -19517833, -73826099963]\) | \(-17478209248027211809/39921724625688000\) | \(-1878152706054887191128000\) | \([2]\) | \(74649600\) | \(3.3462\) | \(\Gamma_0(N)\)-optimal* |
400710.b2 | 400710b2 | \([1, 1, 0, -409007953, -3181256175347]\) | \(160841222880596489520289/158621068526625000\) | \(7462467913996445081625000\) | \([2]\) | \(149299200\) | \(3.6927\) | \(\Gamma_0(N)\)-optimal* |
400710.b4 | 400710b3 | \([1, 1, 0, 169379027, 1624758910633]\) | \(11423021746642244003231/30848851120710937500\) | \(-1451311378811683401023437500\) | \([2]\) | \(223948800\) | \(3.8955\) | \(\Gamma_0(N)\)-optimal* |
400710.b1 | 400710b4 | \([1, 1, 0, -1476336943, 18437722403347]\) | \(7564122771096983025656449/1255581642150878906250\) | \(59069944522414833068847656250\) | \([2]\) | \(447897600\) | \(4.2421\) | \(\Gamma_0(N)\)-optimal* |
Rank
sage: E.rank()
The elliptic curves in class 400710b have rank \(0\).
Complex multiplication
The elliptic curves in class 400710b do not have complex multiplication.Modular form 400710.2.a.b
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.
\(\left(\begin{array}{rrrr} 1 & 2 & 3 & 6 \\ 2 & 1 & 6 & 3 \\ 3 & 6 & 1 & 2 \\ 6 & 3 & 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.