Finite Group Databasebeta
Cayley diagram

#24995

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 ◁ C2×C4×Q8 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

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

normal subgroups only

This group has 319 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)(11,13)(12,14)(15,16)(17,18,21,24)(19,22,26,30)(20,23,27,31)(25,29,28,32);(2,5)(6,7)(9,11,12,15)(10,13,14,16)(19,25)(20,27)(22,29)(23,31)(26,28)(30,32);(10,14)(13,16)(17,19,21,26)(18,22,24,30)(20,28,27,25)(23,32,31,29);(1,3,4,8)(2,6,5,7)

Polycyclic presentation:

2^8|a^2=eh,b^2=f,c^2=h,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#280020, #280023, #280035, …
maximal normal subgroup of#280020, #280023, #280035, …
maximal quotient of#360381, #363058, #364867, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 17983);