Cremona's table of elliptic curves

42042 = 2 · 3 · 7² · 11 · 13

Field	Data	Notes
Atkin-Lehner	2+ 3- 7- 11- 13-	Signs for the Atkin-Lehner involutions
Class	42042bt	Isogeny class
Conductor	42042	Conductor
∏ cp	128	Product of Tamagawa factors cp
Δ	1940056416049752 = 23 · 38 · 76 · 11 · 134	Discriminant
Eigenvalues	2+ 3- -2 7- 11- 13- -2 -4	Hecke eigenvalues for primes up to 20
Equation	[1,0,1,-36972,-1733966]	[a1,a2,a3,a4,a6]
Generators	[-94:1002:1]	Generators of the group modulo torsion
j	47504791830313/16490207448	j-invariant
L	4.4004417587633	L(r)(E,1)/r!
Ω	0.35407007389692	Real period
R	0.38838019674444	Regulator
r	1	Rank of the group of rational points
S	0.99999999999964	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	126126ff3 858a4	Quadratic twists by: -3 -7

Hecke Eigenvalues for elliptic curve 42042bt3

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

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Quadratic twists for elliptic curve 42042bt3

-3	-7
126126ff3	858a4

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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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