Cremona's table of elliptic curves

28644 = 2² · 3 · 7 · 11 · 31

Class	r	Atkin-Lehner	Eigenvalues
28644a (2 curves)	0	2- 3+ 7+ 11+ 31+	2- 3+  2 7+ 11+ -2 -4  8
Curve Equation t 28644a1 [0,-1,0,-2902966857,61320866031558] 2 28644a2 [0,-1,0,-46686630452,3882741511137720] 2
28644b (1 curve)	1	2- 3+ 7+ 11+ 31-	2- 3+ -3 7+ 11+ -1 -6 -2
Curve Equation t Generators 28644b1 [0,-1,0,-82797,70089129] 1 [880:26037:1]
28644c (1 curve)	1	2- 3+ 7+ 11- 31+	2- 3+ -1 7+ 11- -5  2 -1
Curve Equation t Generators 28644c1 [0,-1,0,1854,142749] 1 [-13:341:1]
28644d (1 curve)	0	2- 3+ 7+ 11- 31-	2- 3+ -1 7+ 11- -1  6 -6
Curve Equation t 28644d1 [0,-1,0,-1705261,-857720951] 1
28644e (1 curve)	0	2- 3+ 7+ 11- 31-	2- 3+ -3 7+ 11-  1 -2  6
Curve Equation t 28644e1 [0,-1,0,-34277,-2431551] 1
28644f (1 curve)	1	2- 3+ 7- 11+ 31+	2- 3+ -1 7- 11+  1 -4 -2
Curve Equation t Generators 28644f1 [0,-1,0,-621,-5943] 1 [32:77:1]
28644g (2 curves)	0	2- 3+ 7- 11+ 31-	2- 3+  4 7- 11+  4  2  4
Curve Equation t 28644g1 [0,-1,0,-561,2178] 2 28644g2 [0,-1,0,-4796,-124872] 2
28644h (1 curve)	0	2- 3+ 7- 11- 31+	2- 3+  1 7- 11-  6  3 -2
Curve Equation t 28644h1 [0,-1,0,9449740,-74280802056] 1
28644i (2 curves)	0	2- 3+ 7- 11- 31+	2- 3+  2 7- 11- -2  4 -8
Curve Equation t 28644i1 [0,-1,0,583,-16002] 2 28644i2 [0,-1,0,-7012,-201320] 2
28644j (1 curve)	0	2- 3+ 7- 11- 31+	2- 3+ -3 7- 11-  6  3  6
Curve Equation t 28644j1 [0,-1,0,28,24] 1
28644k (2 curves)	1	2- 3- 7+ 11+ 31+	2- 3-  0 7+ 11+ -2  2 -8
Curve Equation t Generators 28644k1 [0,1,0,-253,-1576] 2 [20:42:1] 28644k2 [0,1,0,132,-5580] 2 [387:7626:1]
28644l (1 curve)	1	2- 3- 7+ 11+ 31+	2- 3- -3 7+ 11+  3 -2  2
Curve Equation t Generators 28644l1 [0,1,0,-2705557,-1728665401] 1 [1395994:583125741:8]
28644m (1 curve)	0	2- 3- 7+ 11+ 31-	2- 3-  1 7+ 11+ -1  6 -5
Curve Equation t 28644m1 [0,1,0,-5212270,4585372901] 1
28644n (1 curve)	0	2- 3- 7+ 11- 31+	2- 3-  1 7+ 11-  2 -1 -6
Curve Equation t 28644n1 [0,1,0,-1380,-23724] 1
28644o (1 curve)	0	2- 3- 7+ 11- 31+	2- 3- -1 7+ 11- -5 -2  6
Curve Equation t 28644o1 [0,1,0,2379,-13497] 1
28644p (2 curves)	1	2- 3- 7- 11+ 31-	2- 3-  0 7- 11+ -4  6 -4
Curve Equation t Generators 28644p1 [0,1,0,-313,1340] 2 [804:3752:27] 28644p2 [0,1,0,-4548,116532] 2 [-9:396:1]
28644q (1 curve)	1	2- 3- 7- 11+ 31-	2- 3-  3 7- 11+ -1  0 -7
Curve Equation t Generators 28644q1 [0,1,0,-115934,-15680931] 1 [1225:41013:1]
28644r (2 curves)	1	2- 3- 7- 11+ 31-	2- 3- -4 7- 11+  6 -2  0
Curve Equation t Generators 28644r1 [0,1,0,-2485,46844] 2 [35:-63:1] 28644r2 [0,1,0,-2100,62244] 2 [24:-162:1]
28644s (1 curve)	1	2- 3- 7- 11- 31+	2- 3- -3 7- 11-  1  2  5
Curve Equation t Generators 28644s1 [0,1,0,-302,-7719] 1 [46:-279:1]
28644t (2 curves)	0	2- 3- 7- 11- 31-	2- 3-  3 7- 11-  2 -3  2
Curve Equation t 28644t1 [0,1,0,-1632764,802488708] 3 28644t2 [0,1,0,-1570724,866342388] 1

Data from Elliptic Curve Data by J. E. Cremona.
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