Finite Group Databasebeta
Cayley diagram

#26089

order256
nilpotency class3
isoclinismisoclinic class of #23848
automorphismAut(G) order 32768
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C23

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 ◁ C4×C4⋊C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

319 conjugacy classes of subgroups; only the 131 normal subgroups are shown.

normal subgroups only

This group has 319 conjugacy classes of subgroups — too many to draw. Only its 131 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)(3,7)(4,8)(5,6)(9,10,12,14)(11,15,16,13)(17,18,21,24)(19,22,27,31)(20,23,28,32)(25,29,26,30);(2,6)(7,8)(17,19,21,27)(18,22,24,31)(20,25,28,26)(23,29,32,30);(1,3,5,4)(2,7,6,8)(9,11,12,16)(10,13,14,15)(19,25)(20,28)(22,29)(23,32)(26,27)(30,31);(1,4,5,3)(2,7,6,8)

Polycyclic presentation:

2^8|a^2=fh,b^2=h,c^2=ef,d^2=e,g^2=h,b^a=be,c^a=cf,d^a=de,c^b=cg,g^b=gh,g^c=gh

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#305286, #305290, #305293, …
maximal normal subgroup of#305286, #305290, #305293, …
maximal quotient of#360692, #363734, #365875, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 19077);