Cremona's table of elliptic curves

31920 = 2⁴ · 3 · 5 · 7 · 19

Field	Data	Notes
Atkin-Lehner	2- 3+ 5- 7- 19-	Signs for the Atkin-Lehner involutions
Class	31920bf	Isogeny class
Conductor	31920	Conductor
∏ cp	256	Product of Tamagawa factors cp
Δ	-3.3233985601973E+19	Discriminant
Eigenvalues	2- 3+ 5- 7-  0 -2  2 19-	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,632680,198313200]	[a1,a2,a3,a4,a6]
Generators	[-230:6370:1]	Generators of the group modulo torsion
j	6837784281928633319/8113766016106800	j-invariant
L	5.3843439730148	L(r)(E,1)/r!
Ω	0.13856741428578	Real period
R	2.4285760115245	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	4	Number of elements in the torsion subgroup
Twists	3990p4 127680fe3 95760dp3	Quadratic twists by: -4 8 -3

Hecke Eigenvalues for elliptic curve 31920bf3

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	-2	2	-	4	-6	8	-2	-2	-4	4	-6	-4	-2	-12	8	-6	16	-16	-2	-14

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Quadratic twists for elliptic curve 31920bf3

-4	8	-3
3990p4	127680fe3	95760dp3

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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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