Cremona's table of elliptic curves

1980 = 2² · 3² · 5 · 11

Field	Data	Notes
Atkin-Lehner	2- 3- 5+ 11+	Signs for the Atkin-Lehner involutions
Class	1980a	Isogeny class
Conductor	1980	Conductor
∏ cp	12	Product of Tamagawa factors cp
Δ	51321600 = 28 · 36 · 52 · 11	Discriminant
Eigenvalues	2- 3- 5+  0 11+  0  4 -4	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-543,-4858]	[a1,a2,a3,a4,a6]
Generators	[-13:2:1]	Generators of the group modulo torsion
j	94875856/275	j-invariant
L	2.8688812476593	L(r)(E,1)/r!
Ω	0.98917985914134	Real period
R	0.96675416546581	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	7920bb2 31680bp2 220b2 9900i2	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 1980a2

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
-	-	+	0	+	0	4	-4	-6	-2	0	-6	10	4	-10	-2	4	-14	2	-4	-4	-8	-12	-6	6

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Quadratic twists for elliptic curve 1980a2

-4	8	-3	5	-7	-11
7920bb2	31680bp2	220b2	9900i2	97020ck2	21780g2

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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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