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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:344AH GHM

Order: 19

Horizontal side: 344 Vertical side: 344

Elements: 4, 4√2, 12√2, 24, 23√2, 24√2, 46, 48, 42√2, 48√2, 76, 84, 84√2, 88√2, 130, 107√2, 130√2, 214, 172√2.

Code: 2145 0 130 1724 172 172 886 256 256 843 256 172 765 256 180 42 260 176 41 260 180 482 308 132 481 308 180 242 332 156 241 332 180 122 344 168 463 260 130 424 214 130 846 260 84 1305 0 0 1304 130 0 236 237 107 1070 237 107

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)

214
172√2
88√2
84
76
4√2
4
48√2
48
24√2
24
12√2
46
42√2
84√2
130
130√2
23√2
107√2