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SageMath
E = EllipticCurve("a1")
E.isogeny_class()
Elliptic curves in class 10470a
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
10470.a4 | 10470a1 | \([1, 1, 0, 3543, 52101]\) | \(4916382075769319/3952292659200\) | \(-3952292659200\) | \([2]\) | \(31104\) | \(1.1050\) | \(\Gamma_0(N)\)-optimal |
10470.a3 | 10470a2 | \([1, 1, 0, -16937, 433029]\) | \(537369779909439001/227309898240000\) | \(227309898240000\) | \([2, 2]\) | \(62208\) | \(1.4516\) | |
10470.a2 | 10470a3 | \([1, 1, 0, -128617, -17502779]\) | \(235301185027835613721/4636822725000000\) | \(4636822725000000\) | \([2]\) | \(124416\) | \(1.7981\) | |
10470.a1 | 10470a4 | \([1, 1, 0, -232937, 43157829]\) | \(1397790417785316543001/640892891563200\) | \(640892891563200\) | \([4]\) | \(124416\) | \(1.7981\) |
Rank
sage: E.rank()
The elliptic curves in class 10470a have rank \(1\).
Complex multiplication
The elliptic curves in class 10470a do not have complex multiplication.Modular form 10470.2.a.a
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.
\(\left(\begin{array}{rrrr} 1 & 2 & 4 & 4 \\ 2 & 1 & 2 & 2 \\ 4 & 2 & 1 & 4 \\ 4 & 2 & 4 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.