Cremona's table of elliptic curves

13020 = 2² · 3 · 5 · 7 · 31

Field	Data	Notes
Atkin-Lehner	2- 3- 5- 7+ 31-	Signs for the Atkin-Lehner involutions
Class	13020b	Isogeny class
Conductor	13020	Conductor
∏ cp	112	Product of Tamagawa factors cp
Δ	56960186502240000 = 28 · 314 · 54 · 74 · 31	Discriminant
Eigenvalues	2- 3- 5- 7+  0  6 -8 -4	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-378740,-89102412]	[a1,a2,a3,a4,a6]
Generators	[1291:39690:1]	Generators of the group modulo torsion
j	23469747540942749776/222500728524375	j-invariant
L	6.0076569195816	L(r)(E,1)/r!
Ω	0.19255850099976	Real period
R	1.1142544971287	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	52080bk2 39060c2 65100m2 91140c2	Quadratic twists by: -4 -3 5 -7

Hecke Eigenvalues for elliptic curve 13020b2

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	6	-8	-4	-4	4	-	2	2	-12	-2	-8	-10	6	0	2	2	8	0	0	-2

---

Quadratic twists for elliptic curve 13020b2

-4	-3	5	-7
52080bk2	39060c2	65100m2	91140c2

---

Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

Part of Computational Number Theory
Back to Tables and computations