Cremona's table of elliptic curves

7820 = 2² · 5 · 17 · 23

Field	Data	Notes
Atkin-Lehner	2- 5- 17+ 23+	Signs for the Atkin-Lehner involutions
Class	7820b	Isogeny class
Conductor	7820	Conductor
∏ cp	24	Product of Tamagawa factors cp
Δ	-611524000000 = -1 · 28 · 56 · 172 · 232	Discriminant
Eigenvalues	2-  0 5- -4 -2  2 17+  8	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,2113,-4234]	[a1,a2,a3,a4,a6]
Generators	[22:230:1]	Generators of the group modulo torsion
j	4075512579504/2388765625	j-invariant
L	3.729624697313	L(r)(E,1)/r!
Ω	0.53831310224249	Real period
R	1.1547259645536	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	31280v2 125120a2 70380bh2 39100g2	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 7820b2

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

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Quadratic twists for elliptic curve 7820b2

-4	8	-3	5
31280v2	125120a2	70380bh2	39100g2

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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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