Multiple extensions of generalized hexagons related to the simple groups McL and Co3

• Main Authors: Cuypers, H., Kasikova, A., Pasechnik, Dmitrii V.
• Other Authors: School of Physical and Mathematical Sciences
• Format: Article
• Language: English
• Published: 2013
• Online Access: https://hdl.handle.net/10356/95693; http://hdl.handle.net/10220/9441
• Institution: Nanyang Technological University

The groups McL, Co3 and 2 × Co3 are all contained in the automorphism group of a 2-, respectively, 3-fold extension of a generalized hexagon of order (4,1). We give a geometric characterization of these multiple extensions of this generalized hexagon.