Cremona's table of elliptic curves

18396 = 2² · 3² · 7 · 73

Class	r	Atkin-Lehner	Eigenvalues
18396a (2 curves)	1	2- 3+ 7+ 73-	2- 3+  2 7+  6 -2 -2  0
Curve Equation t Generators 18396a1 [0,0,0,-24,513] 2 [-6:21:1] 18396a2 [0,0,0,-1119,14310] 2 [15:30:1]
18396b (2 curves)	1	2- 3+ 7+ 73-	2- 3+ -2 7+ -6 -2  2  0
Curve Equation t Generators 18396b1 [0,0,0,-216,-13851] 2 [459:9828:1] 18396b2 [0,0,0,-10071,-386370] 2 [29668:622349:64]
18396c (1 curve)	1	2- 3+ 7- 73+	2- 3+  1 7-  0 -6 -1  3
Curve Equation t Generators 18396c1 [0,0,0,648,1188] 1 [48:378:1]
18396d (1 curve)	1	2- 3+ 7- 73+	2- 3+ -1 7-  0 -6  1  3
Curve Equation t Generators 18396d1 [0,0,0,72,-44] 1 [5:21:1]
18396e (1 curve)	1	2- 3- 7+ 73+	2- 3-  0 7+  2 -1  0  1
Curve Equation t Generators 18396e1 [0,0,0,-255,1766] 1 [7:18:1]
18396f (2 curves)	1	2- 3- 7+ 73+	2- 3-  0 7+  2 -6  0 -4
Curve Equation t Generators 18396f1 [0,0,0,-4952100,-5828498611] 2 [3639364299461755529:382132625501915459118:316475595412523] 18396f2 [0,0,0,-87205215,-313405796842] 2 [549257901482933397380460815686678:39155644407275498569527532957430151:41102929137954785798243113624]
18396g (2 curves)	1	2- 3- 7+ 73+	2- 3- -2 7+  4 -2  2 -4
Curve Equation t Generators 18396g1 [0,0,0,-68556,9206269] 2 [5175:371812:1] 18396g2 [0,0,0,-1195311,502950310] 2 [333828:23617921:64]
18396h (1 curve)	0	2- 3- 7+ 73-	2- 3- -3 7+  0  4  7  5
Curve Equation t 18396h1 [0,0,0,-7104,-230956] 1
18396i (1 curve)	0	2- 3- 7- 73+	2- 3- -4 7- -6  3  4  3
Curve Equation t 18396i1 [0,0,0,-1801860807,29439468968110] 1
18396j (1 curve)	1	2- 3- 7- 73-	2- 3- -4 7- -6  1  0 -7
Curve Equation t Generators 18396j1 [0,0,0,2193,-32650] 1 [103:-1134:1]

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