mirabolic

/M IH0 R AH0 B AA1 L IH0 K/
adjective
  1. 1

    (mathematics) Being or relating to a subgroup of the general linear group GLₙ(k) that consists of automorphisms fixing a given non-zero vector in kⁿ. Its image in the projective general linear group is a parabolic subgroup consisting of all elements fixing a given point of projective space.