Cremona's table of elliptic curves

4123 = 7 · 19 · 31

Field	Data	Notes
Atkin-Lehner	7+ 19- 31+	Signs for the Atkin-Lehner involutions
Class	4123a	Isogeny class
Conductor	4123	Conductor
∏ cp	1	Product of Tamagawa factors cp
deg	144	Modular degree for the optimal curve
Δ	-4123 = -1 · 7 · 19 · 31	Discriminant
Eigenvalues	0  0 -2 7+ -2 -2 -7 19-	Hecke eigenvalues for primes up to 20
Equation	[0,0,1,4,0]	[a1,a2,a3,a4,a6]
Generators	[0:0:1] [6:15:1]	Generators of the group modulo torsion
j	7077888/4123	j-invariant
L	3.4998335684344	L(r)(E,1)/r!
Ω	2.6488769886702	Real period
R	1.3212518298904	Regulator
r	2	Rank of the group of rational points
S	0.99999999999977	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	65968p1 37107i1 103075k1 28861f1	Quadratic twists by: -4 -3 5 -7

Hecke Eigenvalues for elliptic curve 4123a1

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
0	0	-2	+	-2	-2	-7	-	-2	-2	+	-11	-9	-8	-6	-3	5	-5	2	6	-14	3	12	2	1

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Quadratic twists for elliptic curve 4123a1

-4	-3	5	-7	-19	-31
65968p1	37107i1	103075k1	28861f1	78337a1	127813b1

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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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