Cremona's table of elliptic curves

12920 = 2³ · 5 · 17 · 19

Field	Data	Notes
Atkin-Lehner	2- 5- 17+ 19+	Signs for the Atkin-Lehner involutions
Class	12920l	Isogeny class
Conductor	12920	Conductor
∏ cp	48	Product of Tamagawa factors cp
Δ	435080307488000 = 28 · 53 · 172 · 196	Discriminant
Eigenvalues	2-  2 5-  0 -4  0 17+ 19+	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-190380,-31893628]	[a1,a2,a3,a4,a6]
Generators	[-256:30:1]	Generators of the group modulo torsion
j	2980917766431299536/1699532451125	j-invariant
L	6.810916144504	L(r)(E,1)/r!
Ω	0.2285645620394	Real period
R	2.4832211096552	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	25840k2 103360k2 116280k2 64600h2	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 12920l2

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

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Quadratic twists for elliptic curve 12920l2

-4	8	-3	5
25840k2	103360k2	116280k2	64600h2

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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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