Finite Group Databasebeta
Cayley diagram

#20507

order256
nilpotency class3
isoclinismisoclinic class of #576
automorphismAut(G) order 196608
homologyAbelianization (H1) = C22×C42 · Schur multiplier (H2) = C24×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socle, prime radicalC23C22×D4
commutatorC4C22×C42
Frattini, cosocleC22×C4C24
LCSG ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ #376 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

527 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 24
transitive degreeμt(G) = 256

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

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

Polycyclic presentation:

2^8|a^2=f,b^2=g,c^2=gh,d^2=f,e^2=h,b^a=be,c^a=ch,d^a=dh,e^a=eh,e^b=eh,d^c=dh

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#20507⋊C3
maximal subgroup of#138735, #138737, #221353, …
maximal normal subgroup of#138735, #138737, #221353, …
maximal quotient of#183881, #183905, #183917, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13495);