Cremona's table of elliptic curves

3081 = 3 · 13 · 79

Field	Data	Notes
Atkin-Lehner	3- 13+ 79-	Signs for the Atkin-Lehner involutions
Class	3081b	Isogeny class
Conductor	3081	Conductor
∏ cp	8	Product of Tamagawa factors cp
Δ	6571773 = 34 · 13 · 792	Discriminant
Eigenvalues	1 3-  2 -2  0 13+  2 -4	Hecke eigenvalues for primes up to 20
Equation	[1,0,1,-55,89]	[a1,a2,a3,a4,a6]
Generators	[1:5:1]	Generators of the group modulo torsion
j	17923019113/6571773	j-invariant
L	4.9560488755214	L(r)(E,1)/r!
Ω	2.171704640711	Real period
R	1.1410503948407	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	49296o2 9243c2 77025d2 40053f2	Quadratic twists by: -4 -3 5 13

Hecke Eigenvalues for elliptic curve 3081b2

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

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Quadratic twists for elliptic curve 3081b2

-4	-3	5	13
49296o2	9243c2	77025d2	40053f2

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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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