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SageMath
E = EllipticCurve("ef1")
E.isogeny_class()
Elliptic curves in class 478800.ef
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
478800.ef1 | 478800ef3 | \([0, 0, 0, -320175075, 2128031937250]\) | \(77799851782095807001/3092322318750000\) | \(144275390103600000000000000\) | \([2]\) | \(113246208\) | \(3.7861\) | \(\Gamma_0(N)\)-optimal* |
478800.ef2 | 478800ef2 | \([0, 0, 0, -52047075, -99843614750]\) | \(334199035754662681/101099003040000\) | \(4716875085834240000000000\) | \([2, 2]\) | \(56623104\) | \(3.4395\) | \(\Gamma_0(N)\)-optimal* |
478800.ef3 | 478800ef1 | \([0, 0, 0, -47439075, -125745182750]\) | \(253060782505556761/41184460800\) | \(1921502203084800000000\) | \([2]\) | \(28311552\) | \(3.0930\) | \(\Gamma_0(N)\)-optimal* |
478800.ef4 | 478800ef4 | \([0, 0, 0, 142352925, -670018814750]\) | \(6837784281928633319/8113766016106800\) | \(-378555867247478860800000000\) | \([2]\) | \(113246208\) | \(3.7861\) |
Rank
sage: E.rank()
The elliptic curves in class 478800.ef have rank \(0\).
Complex multiplication
The elliptic curves in class 478800.ef do not have complex multiplication.Modular form 478800.2.a.ef
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.
\(\left(\begin{array}{rrrr} 1 & 2 & 4 & 4 \\ 2 & 1 & 2 & 2 \\ 4 & 2 & 1 & 4 \\ 4 & 2 & 4 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.