Finite Group Databasebeta
Cayley diagram

#17882

order256
nilpotency class3
isoclinismisoclinic class of #3008
automorphismAut(G) = C24×D4×#120 (order 4096) · Inn(G) = C22×D4 · Out(G) = C24×D4
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4C22×D4
commutatorC2×C4C23×C4
Frattini, cosocleC42C24
socleC22C2×C4×D4
prime radicalC2×#135C4
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ #431 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

330 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 4 generators on 24 points:

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

Polycyclic presentation:

2^8|a^2=f,b^2=g,c^2=f,d^2=g,e^2=g,f^2=h,b^a=be,c^a=ch,d^a=dg,e^a=eg,e^b=eg,d^c=dg

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#222289, #222291, #222292, …
maximal normal subgroup of#222289, #222291, #222292, …
maximal quotient of#182435, #182450, #183621, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 10870);