Cremona's table of elliptic curves

1197 = 3² · 7 · 19

Field	Data	Notes
Atkin-Lehner	3- 7+ 19+	Signs for the Atkin-Lehner involutions
Class	1197c	Isogeny class
Conductor	1197	Conductor
∏ cp	8	Product of Tamagawa factors cp
Δ	2160676176687 = 38 · 7 · 196	Discriminant
Eigenvalues	1 3- -4 7+  2  4  0 19+	Hecke eigenvalues for primes up to 20
Equation	[1,-1,0,-4194,-75951]	[a1,a2,a3,a4,a6]
j	11192824869409/2963890503	j-invariant
L	1.209894004089	L(r)(E,1)/r!
Ω	0.6049470020445	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	19152cb2 76608bw2 399c2 29925bc2	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 1197c2

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
1	-	-4	+	2	4	0	+	6	-10	0	6	10	8	-12	6	12	-2	-2	12	-6	2	0	2	-12

---

Quadratic twists for elliptic curve 1197c2

-4	8	-3	5	-7	-19
19152cb2	76608bw2	399c2	29925bc2	8379l2	22743o2

---

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