Finite Group Databasebeta
Cayley diagram

#12551

order256
nilpotency class3
isoclinismisoclinic class of #99
automorphismAut(G) order 16384
homologyAbelianization (H1) = C2×C4×C8 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C8C22⋊C4
commutatorC22C2×C4×C8
Frattini, cosocleC22×C8C23
socleC22C2×C22⋊C8
prime radicalC24C2×C8
LCSG ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C2×C8 ◁ C23×C8 ◁ G
LECSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1

293 conjugacy classes of subgroups; only the 175 normal subgroups are shown.

normal subgroups only

This group has 293 conjugacy classes of subgroups — too many to draw. Only its 175 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) = 36
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 3 generators on 36 points:

(5,6,8,13,9,14,20,28,10,12,21,25,22,26,33,35)(7,15,17,27,18,29,31,36,16,11,19,23,30,24,32,34);(1,2,3,4)(5,7)(6,11)(8,19)(9,18)(10,16)(12,15)(13,27)(14,24)(17,21)(20,32)(22,30)(23,25)(26,29)(28,36)(31,33)(34,35);(7,16)(11,15)(17,19)(18,30)(23,27)(24,29)(31,32)(34,36)

Polycyclic presentation:

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

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#93428, #124175, #124176, …
maximal normal subgroup of#93428, #124175, #124176, …
maximal quotient of#126555, #126564, #126577, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 5539);