19) great cubicuboctahedron 3 4|4/3 [50,77] dual: great hexacronic icositetrahedron (8/3.3.8/3.4), octahedral group S4, χ=-4, D=4 V=24, E=48, F=20=6{4}+8{3}+6{8/3} α γ a b c ρ/R r/ρ l/ρ h/r {4} 45.0 74.3001 42.73 73.68 67.50 0.734510 0.382683 0.923880 2.414214 {3} 60.0 42.9004 42.73 51.59 32.24 0.734510 0.845862 0.923880 0.630602 {8/3} 67.5 31.3997 42.73 47.27 22.50 0.734510 0.923880 0.923880 0.414214