Cremona's table of elliptic curves

1520 = 2⁴ · 5 · 19

Field	Data	Notes
Atkin-Lehner	2+ 5- 19-	Signs for the Atkin-Lehner involutions
Class	1520d	Isogeny class
Conductor	1520	Conductor
∏ cp	4	Product of Tamagawa factors cp
Δ	462080 = 28 · 5 · 192	Discriminant
Eigenvalues	2+ -2 5- -4  4  0  6 19-	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-20,-20]	[a1,a2,a3,a4,a6]
Generators	[-2:4:1]	Generators of the group modulo torsion
j	3631696/1805	j-invariant
L	2.0343150149606	L(r)(E,1)/r!
Ω	2.3665666032288	Real period
R	0.85960606905598	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	760a2 6080m2 13680s2 7600d2	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 1520d2

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
+	-2	-	-4	4	0	6	-	-8	-6	8	-8	-2	0	-12	4	-8	-14	2	8	-2	-4	-12	6	0

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Quadratic twists for elliptic curve 1520d2

-4	8	-3	5	-7	-19
760a2	6080m2	13680s2	7600d2	74480d2	28880j2

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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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