Cremona's table of elliptic curves

31740 = 2² · 3 · 5 · 23²

Field	Data	Notes
Atkin-Lehner	2- 3- 5- 23-	Signs for the Atkin-Lehner involutions
Class	31740i	Isogeny class
Conductor	31740	Conductor
∏ cp	12	Product of Tamagawa factors cp
Δ	-518731966501344000 = -1 · 28 · 32 · 53 · 239	Discriminant
Eigenvalues	2- 3- 5-  1  0 -4  3  4	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-730725,242665623]	[a1,a2,a3,a4,a6]
Generators	[498:1587:1]	Generators of the group modulo torsion
j	-1138621087744/13687875	j-invariant
L	7.6697176178056	L(r)(E,1)/r!
Ω	0.29443877190823	Real period
R	2.1707166168195	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	126960bt2 95220i2 1380c2	Quadratic twists by: -4 -3 -23

Hecke Eigenvalues for elliptic curve 31740i2

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	0	-4	3	4	-	-3	-7	-11	-9	4	6	-9	3	10	13	9	-16	-8	15	0	-2

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Quadratic twists for elliptic curve 31740i2

-4	-3	-23
126960bt2	95220i2	1380c2

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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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