Finite Group Databasebeta
Cayley diagram

#29205

order256
nilpotency class3
isoclinismisoclinic class of #24390
automorphismAut(G) order 32768
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Subgroups

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

329 conjugacy classes of subgroups; only the 123 normal subgroups are shown.

normal subgroups only

This group has 329 conjugacy classes of subgroups — too many to draw. Only its 123 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) = 256

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

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

Polycyclic presentation:

2^8|a^2=egh,b^2=g,c^2=f,d^2=eh,f^2=h,b^a=be,c^a=cf,d^a=de,f^a=fh,c^b=cg,d^b=dh,d^c=dh

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#150017, #150019, #153076, …
maximal normal subgroup of#150017, #150019, #153076, …
maximal quotient of#362188, #363453, #365568, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 22193);