Cremona's table of elliptic curves

21070 = 2 · 5 · 7² · 43

Field	Data	Notes
Atkin-Lehner	2- 5- 7+ 43+	Signs for the Atkin-Lehner involutions
Class	21070v	Isogeny class
Conductor	21070	Conductor
∏ cp	435	Product of Tamagawa factors cp
deg	1218000	Modular degree for the optimal curve
Δ	-4.1588443976827E+20	Discriminant
Eigenvalues	2-  2 5- 7+  2 -2 -4 -7	Hecke eigenvalues for primes up to 20
Equation	[1,1,1,-2167810,1571337487]	[a1,a2,a3,a4,a6]
Generators	[2617:116291:1]	Generators of the group modulo torsion
j	-195435318335123041/72142028800000	j-invariant
L	11.534008063383	L(r)(E,1)/r!
Ω	0.15809008488164	Real period
R	0.16772058212949	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	105350c1 21070s1	Quadratic twists by: 5 -7

Hecke Eigenvalues for elliptic curve 21070v1

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	-2	-4	-7	-6	1	5	-10	2	+	8	-9	14	-13	12	-12	-9	-11	7	4	-16

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Quadratic twists for elliptic curve 21070v1

5	-7
105350c1	21070s1

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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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