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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:123AD GHM

Order: 19

Horizontal side: 123 Vertical side: 123

Elements: 1√2, 6√2, 14√2, 24, 25, 26, 27, 28, 20√2, 25√2, 27√2, 28√2, 40, 42, 50, 54, 56, 48√2, 49√2.

Code: 492 49 74 484 48 75 270 96 123 271 123 123 206 49 76 405 69 56 541 123 96 16 48 75 265 49 50 243 49 50 64 75 50 563 81 0 282 109 28 281 109 56 142 123 42 256 0 25 507 25 50 423 123 0 255 0 0

The properties below may precede order:side in a tiling's title:

Credit for Discovery

Just three people are credited with the discovery of Primitive Perfects:

Geoffrey H. Morley (GHM, England)

Jasper D. Skinner, II (JDS, United States)

William T. Tutte (WTT, Canada, 1917-2002) (15:44AI, 17:136AJ and 19:56AJ only)

49√2
48√2
27√2
27
20√2
40
54
1√2
26
24
6√2
56
28√2
28
14√2
25√2
50
42
25