Cremona's table of elliptic curves

7930 = 2 · 5 · 13 · 61

Field	Data	Notes
Atkin-Lehner	2- 5+ 13+ 61+	Signs for the Atkin-Lehner involutions
Class	7930a	Isogeny class
Conductor	7930	Conductor
∏ cp	128	Product of Tamagawa factors cp
Δ	-2396105860096000000 = -1 · 216 · 56 · 132 · 614	Discriminant
Eigenvalues	2-  2 5+  4 -2 13+  2  2	Hecke eigenvalues for primes up to 20
Equation	[1,1,1,223554,62473979]	[a1,a2,a3,a4,a6]
j	1235580158875261815071/2396105860096000000	j-invariant
L	5.6978224772061	L(r)(E,1)/r!
Ω	0.17805695241269	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	63440i2 71370i2 39650d2 103090e2	Quadratic twists by: -4 -3 5 13

Hecke Eigenvalues for elliptic curve 7930a2

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	+	4	-2	+	2	2	2	2	10	-2	2	-6	8	-6	10	+	-4	-6	10	0	4	18	-10

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Quadratic twists for elliptic curve 7930a2

-4	-3	5	13
63440i2	71370i2	39650d2	103090e2

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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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