Abstract:For each q ¤ 2 an odd power of 2, we show that the Suzuki simple group S D S z.q/ is the automorphism group of considerably more chiral polyhedra than regular polyhedra. Furthermore, we show that S cannot be the automorphism group of an abstract chiral polytope of rank greater than 4. For each almost simple group G such that S < G Ä Aut.S/, we prove that G is not the automorphism group of an abstract chiral polytope of rank greater than 3, and produce examples of chiral 3-polytopes for each such group G.
“…Some results in this vein are known. For instance in [13], it is proved that every almost simple group G with socle Sz(q) is the automorphism group of at least one abstract chiral polyhedron. And in [20], it is shown that the only almost simple groups with socle L 2 (q) that are not automorphism groups of abstract chiral polyhedra are L 2 (q), P GL(2, q), and a group of the form L 2 (9).2.…”
Section: Discussionmentioning
confidence: 99%
“…x := (1,14,17,21,10,5,2,16,18,12,8) (3,6,19,22,15,9,20,23,4,7,11), y := (1,8,6,10,21,22,19,12,11,7,4,5,3,18,9) (2,23,20,16,13) (14,15,17), and t := xy. The pair x, t satisfies (i)-(iii) of Theorem 1.1.…”
Section: Proof Of Theorem 11 For G Sporadicmentioning
confidence: 99%
“…x := (1,17,23,21,2,7,3,15,4,20,10,6,16,13,19,22,11,18,5,14,9,8,12), y := (1, 20, 2) (3,7,4,17,21,5,18,24,11,22,19,9,14,23,15) (8,13,16,10,12), and t := xy. The pair x, t satisfies (i)-(iii) of Theorem 1.1.…”
Section: Proof Of Theorem 11 For G Sporadicmentioning
Abstract. We prove that every finite non-abelian simple group acts as the automorphism group of a chiral polyhedron, apart from the groups P SL2(q), P SL3(q), P SU3(q) and A7.
“…Some results in this vein are known. For instance in [13], it is proved that every almost simple group G with socle Sz(q) is the automorphism group of at least one abstract chiral polyhedron. And in [20], it is shown that the only almost simple groups with socle L 2 (q) that are not automorphism groups of abstract chiral polyhedra are L 2 (q), P GL(2, q), and a group of the form L 2 (9).2.…”
Section: Discussionmentioning
confidence: 99%
“…x := (1,14,17,21,10,5,2,16,18,12,8) (3,6,19,22,15,9,20,23,4,7,11), y := (1,8,6,10,21,22,19,12,11,7,4,5,3,18,9) (2,23,20,16,13) (14,15,17), and t := xy. The pair x, t satisfies (i)-(iii) of Theorem 1.1.…”
Section: Proof Of Theorem 11 For G Sporadicmentioning
confidence: 99%
“…x := (1,17,23,21,2,7,3,15,4,20,10,6,16,13,19,22,11,18,5,14,9,8,12), y := (1, 20, 2) (3,7,4,17,21,5,18,24,11,22,19,9,14,23,15) (8,13,16,10,12), and t := xy. The pair x, t satisfies (i)-(iii) of Theorem 1.1.…”
Section: Proof Of Theorem 11 For G Sporadicmentioning
Abstract. We prove that every finite non-abelian simple group acts as the automorphism group of a chiral polyhedron, apart from the groups P SL2(q), P SL3(q), P SU3(q) and A7.
“…Such an atlas existed already in the regular case [28]. These atlases turned out to be very inspiring to find patterns and get classification results (see [26,20,27] for instance).…”
The rank 3 concept of a hypermap has recently been generalized to a higher rank structure in which hypermaps can be seen as "hyperfaces" but very few examples can be found in literature. We study finite rank 4 structures obtained by hexagonal extensions of toroidal hypermaps. Many new examples are produced that are regular or chiral, even when the extensions are polytopal. We also construct a new infinite family of finite nonlinear hexagonal extensions of the tetrahedron.
“…In [1], Isabel Hubard and Dimitri Leemans have embarked in an extensive analysis on the abstract polytopes admitting an almost simple group with socle a Suzuki group as automorphism group. Except for an answer to [1, Conjecture 1], their analysis is very satisfactory and gives a great insight on such abstract polytopes.…”
In this paper we show that the rank of every chiral polytope having a Suzuki group as automorphism group is 3. This gives a positive answer to a conjecture of Isabel Hubard and Dimitri Leemans.2010 Mathematics Subject Classification. 52B11, 20D06. Key words and phrases. abstract chiral polytopes, Suzuki simple groups. 1 I first heard about this conjecture in the lovely 2014 summer course in algebraic graph theory by Dimitri Leemans in Rogla, Slovenia. Here I express my gratitude to Dimitri for such a wonderful series of lectures and to the organizers of the Rogla Summer School.
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