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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:136BM GHM

Order: 19

Horizontal side: 136 Vertical side: 136

Elements: 2, 9√2, 18, 14√2, 18√2, 28, 21√2, 23√2, 27√2, 28√2, 40, 42, 44, 46, 36√2, 54, 46√2, 54√2, 82.

Code: 827 0 136 466 36 90 547 82 136 546 82 82 366 0 54 465 36 44 405 82 42 272 27 27 445 36 0 234 59 21 23 82 42 216 59 21 427 80 42 140 122 42 280 108 28 281 136 28 90 27 27 180 18 18 181 36 18

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)

82
46√2
54
54√2
36√2
46
40
27√2
44
23√2
2
21√2
42
14√2
28√2
28
9√2
18√2
18