Finite Group Databasebeta
Cayley diagram

#21668

order256
nilpotency class2
isoclinismisoclinic class of #392
automorphismAut(G) order 24576
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC22×C8C23
commutator, socleC23C23×C4
Frattini, cosocleC22×C4C24
prime radicalC24C22×C4
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C22×C8 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

351 conjugacy classes of subgroups; only the 167 normal subgroups are shown.

normal subgroups only

This group has 351 conjugacy classes of subgroups — too many to draw. Only its 167 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) = 32
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 4 generators on 32 points:

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

Polycyclic presentation:

2^8|a^2=g,b^2=ef,c^2=e,d^2=g,g^2=h,b^a=be,c^a=cf,c^b=ch

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#21668⋊C3
maximal subgroup of#496071, #496072, #496075, …
maximal normal subgroup of#496071, #496072, #496075, …
maximal quotient of#354387, #354521, #355041, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 14656);