English edit

Etymology edit

semi- +‎ dihedral

Adjective edit

semidihedral (not comparable)

  1. (mathematics) This term needs a definition. Please help out and add a definition, then remove the text {{rfdef}}.
    • 2016, Alexander Zimmermann, “Külshammer ideals of algebras of quaternion type”, in arXiv[1]:
      In previous joint work with Holm we used K\"ulshammer ideals to distinguish classes with respect to these parameters in case of algebras of dihedral and semidihedral type.