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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:136AJ GHM

Order: 19

Horizontal side: 136 Vertical side: 136

Elements: 3√2, 4√2, 6, 6√2, 9√2, 12√2, 17√2, 21√2, 30, 34, 38, 28√2, 30√2, 34√2, 36√2, 64, 68, 72, 68√2.

Code: 725 0 64 684 68 68 683 136 68 44 72 64 126 64 56 305 76 38 304 106 38 346 102 34 645 0 0 364 36 28 286 36 28 92 73 47 30 73 47 60 70 44 61 76 44 385 64 0 214 85 17 176 85 17 345 102 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)

72
68√2
68
4√2
12√2
30
30√2
34√2
64
36√2
28√2
9√2
3√2
6√2
6
38
21√2
17√2
34