Show commands:
SageMath
E = EllipticCurve("hf1")
E.isogeny_class()
Elliptic curves in class 215600.hf
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
215600.hf1 | 215600es4 | \([0, -1, 0, -511874008, -4331034889488]\) | \(1969902499564819009/63690429687500\) | \(479559383187500000000000000\) | \([2]\) | \(95551488\) | \(3.8935\) | |
215600.hf2 | 215600es2 | \([0, -1, 0, -70090008, 223873398512]\) | \(5057359576472449/51765560000\) | \(389770647580160000000000\) | \([2]\) | \(31850496\) | \(3.3442\) | |
215600.hf3 | 215600es1 | \([0, -1, 0, -1098008, 8618358512]\) | \(-19443408769/4249907200\) | \(-31999829259059200000000\) | \([2]\) | \(15925248\) | \(2.9976\) | \(\Gamma_0(N)\)-optimal |
215600.hf4 | 215600es3 | \([0, -1, 0, 9877992, -232151177488]\) | \(14156681599871/3100231750000\) | \(-23343306569968000000000000\) | \([2]\) | \(47775744\) | \(3.5469\) |
Rank
sage: E.rank()
The elliptic curves in class 215600.hf have rank \(0\).
Complex multiplication
The elliptic curves in class 215600.hf do not have complex multiplication.Modular form 215600.2.a.hf
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.
\(\left(\begin{array}{rrrr} 1 & 3 & 6 & 2 \\ 3 & 1 & 2 & 6 \\ 6 & 2 & 1 & 3 \\ 2 & 6 & 3 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.