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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:238AA GHM

Order: 19

Horizontal side: 238 Vertical side: 238

Elements: 13√2, 24, 32, 24√2, 48, 52, 58, 61, 64, 52√2, 76, 58√2, 61√2, 87, 90, 64√2, 116, 87√2, 90√2.

Code: 905 0 148 904 90 148 580 180 238 581 238 238 323 122 148 522 174 128 1161 238 180 615 0 87 614 61 87 483 122 100 523 174 76 642 238 64 130 74 100 244 98 76 243 122 76 877 0 87 870 87 87 761 174 76 643 238 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)

90
90√2
58√2
58
32
52√2
116
61
61√2
48
52
64√2
13√2
24√2
24
87
87√2
76
64