Cremona's table of elliptic curves

7956 = 2² · 3² · 13 · 17

Field	Data	Notes
Atkin-Lehner	2- 3- 13+ 17-	Signs for the Atkin-Lehner involutions
Class	7956c	Isogeny class
Conductor	7956	Conductor
∏ cp	48	Product of Tamagawa factors cp
Δ	-1920336833435904 = -1 · 28 · 312 · 132 · 174	Discriminant
Eigenvalues	2- 3-  2  2  2 13+ 17-  2	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,23721,-1570930]	[a1,a2,a3,a4,a6]
j	7909612346288/10289870721	j-invariant
L	2.9965646540925	L(r)(E,1)/r!
Ω	0.24971372117437	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	31824bc2 127296bq2 2652a2 103428v2	Quadratic twists by: -4 8 -3 13

Hecke Eigenvalues for elliptic curve 7956c2

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	+	-	2	4	-10	-2	2	2	12	-2	10	6	6	2	6	2	8	-6	2	18

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Quadratic twists for elliptic curve 7956c2

-4	8	-3	13
31824bc2	127296bq2	2652a2	103428v2

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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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