Space group 53 · Pmna

· orthorhombic

╌ Non-symmorphic · repeats by rotating and sliding

Number: 53
Symbol: Pmna
Full symbol: P 2/m 2/n 2_1/a
Schoenflies: \Gamma_oD_{2h}^7
Crystal system: orthorhombic
Point group: 2/m 2/m 2/m (mmm) ·
Lattice: P · Primitive
Symmorphic: No
Glide / screw: 2_1,n,a