Cremona's table of elliptic curves

728 = 2³ · 7 · 13

Field	Data	Notes
Atkin-Lehner	2+ 7- 13+	Signs for the Atkin-Lehner involutions
Class	728a	Isogeny class
Conductor	728	Conductor
∏ cp	1	Product of Tamagawa factors cp
deg	48	Modular degree for the optimal curve
Δ	-186368 = -1 · 211 · 7 · 13	Discriminant
Eigenvalues	2+ -1  0 7-  3 13+  4  2	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-8,-20]	[a1,a2,a3,a4,a6]
j	-31250/91	j-invariant
L	1.3003620819164	L(r)(E,1)/r!
Ω	1.3003620819164	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	1456a1 5824l1 6552u1 18200p1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 728a1

a2	a3	a5	a7	a11	a13	a17	a19	a23	a29	a31	a37	a41	a43	a47	a53	a59	a61	a67	a71	a73	a79	a83	a89	a97
+	-1	0	-	3	+	4	2	1	4	9	3	-5	4	9	-4	10	5	11	-16	11	-5	-4	-2	-7

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Quadratic twists for elliptic curve 728a1

-4	8	-3	5	-7	-11	13
1456a1	5824l1	6552u1	18200p1	5096c1	88088x1	9464e1

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Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

Part of Computational Number Theory
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