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SageMath
E = EllipticCurve("bp1")
E.isogeny_class()
Elliptic curves in class 28050.bp
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
28050.bp1 | 28050bg2 | \([1, 0, 1, -27702676, 40002980498]\) | \(150476552140919246594353/42832838728685592576\) | \(669263105135712384000000\) | \([2]\) | \(4153344\) | \(3.2784\) | |
28050.bp2 | 28050bg1 | \([1, 0, 1, -10294676, -12221019502]\) | \(7722211175253055152433/340131399900069888\) | \(5314553123438592000000\) | \([2]\) | \(2076672\) | \(2.9318\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 28050.bp have rank \(1\).
Complex multiplication
The elliptic curves in class 28050.bp do not have complex multiplication.Modular form 28050.2.a.bp
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.