Finite Group Databasebeta
Cayley diagram

#23845

order256
nilpotency class3
isoclinismisoclinic class of #23387
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 ◁ #376 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

327 conjugacy classes of subgroups; only the 135 normal subgroups are shown.

normal subgroups only

This group has 327 conjugacy classes of subgroups — too many to draw. Only its 135 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:

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

Polycyclic presentation:

2^8|a^2=e,b^2=eh,c^2=e,d^2=efh,g^2=h,b^a=be,c^a=cf,d^a=dh,c^b=cg,g^b=gh,g^c=gh

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#23845, #6432693, #6432699, …
maximal normal subgroup ofC2×#23845, #6432693, #6432699, …
maximal quotient of#358736, #358737, #358816, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 16833);