Finite Group Databasebeta
Cayley diagram

#9845

order256
nilpotency class3
isoclinismisoclinic class of #1705
automorphismAut(G) order 16384
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C2×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4#127
commutatorC42C22×C4
Frattini, cosocleC2×C42C23
socleC22#390
prime radicalC23#121
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C2×C4 ◁ C2×C42 ◁ G
LECSG ▷ C2×C42 ▷ C22 ▷ C1

239 conjugacy classes of subgroups; only the 79 normal subgroups are shown.

normal subgroups only

This group has 239 conjugacy classes of subgroups — too many to draw. Only its 79 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 — 3 generators on 24 points:

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

Polycyclic presentation:

2^8|a^2=f,b^2=dfh,c^2=eh,d^2=g,e^2=h,f^2=g,b^a=bd,c^a=ce,d^a=dg,e^a=eh

Conjugacy classes & character table

76 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#92863, #138720, #138724, …
maximal normal subgroup of#92863, #138720, #138724, …
maximal quotient of#102101, #102103, #102105, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 2833);