Finite Group Databasebeta
Cayley diagram

#15129

order256
nilpotency class2
isoclinismisoclinic class of #14715
automorphismAut(G) order 262144
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C27

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, commutator, Frattini, socle, cosocleC24C24
prime radicalC23×D4C22
LCSG ▷ C24 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C24 ▷ C1

1177 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 16
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 4 generators on 16 points:

(2,4)(9,10,11,12)(14,16);(6,8)(13,14)(15,16);(5,6)(7,8)(9,10)(11,12)(13,14)(15,16);(1,2,3,4)

Polycyclic presentation:

2^8|a^2=ef,d^2=h,b^a=be,c^a=cf,d^a=dh,c^b=cg

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#103238, #103254, #103270, …
maximal normal subgroup of#103238, #103254, #103270, …
maximal quotient of#154168, #154383, #154387, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 8117);