Finite Group Databasebeta
Cayley diagram

#12783

order256
nilpotency class2
isoclinismisoclinic class of #120
automorphismAut(G) order 8192
homologyAbelianization (H1) = C22×C16 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, Frattini, cosocleC22×C8C23
commutatorC22C22×C16
socleC23C22×C8
prime radicalC24C2×C8
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C22×C8 ◁ G
LECSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1

283 conjugacy classes of subgroups; only the 127 normal subgroups are shown.

normal subgroups only

This group has 283 conjugacy classes of subgroups — too many to draw. Only its 127 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 24
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 3 generators on 24 points:

(2,4)(5,6)(7,8)(9,10,11,14,12,15,17,20,13,16,18,21,19,22,23,24);(1,2,3,4);(6,8)

Polycyclic presentation:

2^8|a^2=f,b^2=d,f^2=g,g^2=h,b^a=bd,c^a=ce

Conjugacy classes & character table

112 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#93323, #93324, #93356, …
maximal normal subgroup of#93323, #93324, #93356, …
maximal quotient of#134218, #134246, #134272, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 5771);