Space group 54 · Pcca

· orthorhombic

╌ Non-symmorphic · repeats by rotating and sliding

Number: 54
Symbol: Pcca
Full symbol: P 2_1/c 2/c 2/a
Schoenflies: \Gamma_oD_{2h}^8
Crystal system: orthorhombic
Point group: 2/m 2/m 2/m (mmm) ·
Lattice: P · Primitive
Symmorphic: No
Glide / screw: 2_1,c,a