Crystal system Point Space groups based on a given point group symmetry (total number group (the superscript indicates the space group number as of space adopted in the International Tables for Crystallography, groups) vol.A) Triclinic (2) P11 i Pi2 Monoclinic (13) 2 P23,P21,C25 m Pm6,Pc7,Cm8,Cc9 2/m P2/m10,P21/m,C2/m12,P2/cl3,P21/c4,C2/c1s Orthorhombic(59) 222 P22216,P2227,P2121218,P212129,C22220,C22221, F22222.I22223.1212124 Hexagonal(27) P6168,P669,P670,P671,P6}72,P6g73 6 P6174 6/m P6/m175,P63/m176 622 P62217,P6122178,P6522179,P6222180,P6422181, P6322182 6mm P6mm183,P6ccl84,P63cm185,P63mc186 6m2 P6m2187,P6c2188,P62m189,P62c190 6/mmm P6/mmm191,P6/mcc192,P63/mcm193,P63/mmc194 Cubic (36) 23 P23195,F23196,I23197,P213198,1213199 m3 Pm320,Pm3201,Fm3202,Fd3203,Im3204,Pa3205 1a3206 432 P432207:P4232208:F432209,F4132210,1432211 P4332212,P4132213,14132214 43m P43m215,F43m216,143m217,P43n218,F43c219,I43d220 m3m Pm3m221,Pn3n22,Pm3n225,Pn3m24,Fm3m258 Fm3c226 Fd3m227.Fd3c228 Im3m229.Ia3d2308