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	31920w	Isogeny class
Conductor	31920	Conductor
∏ cp	48	Product of Tamagawa factors cp
Δ	370760534323200 = 212 · 34 · 52 · 73 · 194	Discriminant
Eigenvalues	2- 3+ 5+ 7-  0 -6  6 19+	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-732816,-241211520]	[a1,a2,a3,a4,a6]
Generators	[-494:42:1]	Generators of the group modulo torsion
j	10625495353235512849/90517708575	j-invariant
L	4.0185716403441	L(r)(E,1)/r!
Ω	0.16317401191035	Real period
R	2.0522935368695	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	1995e4 127680gm4 95760ez4	Quadratic twists by: -4 8 -3

Hecke Eigenvalues for elliptic curve 31920w4

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	-6	6	+	-4	-2	0	-2	-6	-4	8	-10	12	14	8	8	2	4	-12	-6	6

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Quadratic twists for elliptic curve 31920w4

-4	8	-3
1995e4	127680gm4	95760ez4

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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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