Cremona's table of elliptic curves

7821 = 3² · 11 · 79

Field	Data	Notes
Atkin-Lehner	3- 11+ 79-	Signs for the Atkin-Lehner involutions
Class	7821b	Isogeny class
Conductor	7821	Conductor
∏ cp	6	Product of Tamagawa factors cp
deg	6480	Modular degree for the optimal curve
Δ	43490477151 = 36 · 112 · 793	Discriminant
Eigenvalues	-1 3- -1  1 11+  1  8  0	Hecke eigenvalues for primes up to 20
Equation	[1,-1,1,-4613,-119010]	[a1,a2,a3,a4,a6]
Generators	[90:389:1]	Generators of the group modulo torsion
j	14888751553801/59657719	j-invariant
L	2.5983928684037	L(r)(E,1)/r!
Ω	0.57944967376752	Real period
R	0.74737375422363	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	125136s1 869d1 86031c1	Quadratic twists by: -4 -3 -11

Hecke Eigenvalues for elliptic curve 7821b1

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	-	-1	1	+	1	8	0	4	-6	-8	0	8	-12	1	-6	-5	-6	2	9	10	-	-6	3	17

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Quadratic twists for elliptic curve 7821b1

-4	-3	-11
125136s1	869d1	86031c1

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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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