Finite Group Databasebeta
Cayley diagram

#21306

order256
nilpotency class3
isoclinismisoclinic class of #3003
automorphismAut(G) order 65536
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C24×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4C22×D4
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
socleC22C22×C22⋊C4
prime radicalC24C2×D4
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C22×C42 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

577 conjugacy classes of subgroups; only the 243 normal subgroups are shown.

normal subgroups only

This group has 577 conjugacy classes of subgroups — too many to draw. Only its 243 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) = 64

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

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

Polycyclic presentation:

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#107413, #107415, #107505, …
maximal normal subgroup of#107413, #107415, #107505, …
maximal quotient of#206708, #206709, #206710, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 14294);