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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:440AD GHM

Order: 19

Horizontal side: 440 Vertical side: 440

Elements: 24√2, 32√2, 48, 52, 58, 64, 48√2, 55√2, 58√2, 64√2, 96, 110, 144, 110√2, 162, 168, 165√2, 272, 220√2.

Code: 2725 0 168 2204 220 220 1656 275 275 550 275 275 521 272 220 582 330 162 581 330 220 1102 440 110 1685 0 0 1441 144 168 965 144 72 644 208 104 643 272 104 1623 330 0 1103 440 0 324 240 72 485 144 24 484 192 24 244 168 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)

272
220√2
165√2
55√2
52
58√2
58
110√2
168
144
96
64√2
64
162
110
32√2
48
48√2
24√2