Finite Group Databasebeta
Cayley diagram

#30116

order256
nilpotency class3
isoclinismisoclinic class of #29592
automorphismAut(G) order 32768
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC22×C4C24
prime radicalC24C2×D4
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C22×C42 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

397 conjugacy classes of subgroups; only the 115 normal subgroups are shown.

normal subgroups only

This group has 397 conjugacy classes of subgroups — too many to draw. Only its 115 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)(3,6)(4,5)(7,8)(9,10)(11,15)(12,13)(14,16)(17,18,21,22)(19,25,27,23)(20,24,29,30)(26,28,32,31);(2,5)(6,8)(10,13)(14,15)(17,19,21,27)(18,23,22,25)(20,28,29,31)(24,26,30,32);(3,7)(6,8)(9,11)(10,14)(12,16)(13,15)(17,20,21,29)(18,24,22,30)(19,26,27,32)(23,31,25,28);(1,3,4,7)(2,6,5,8)(11,16)(14,15)(20,29)(24,30)(26,32)(28,31)

Polycyclic presentation:

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

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#100564, #100566, #168836, …
maximal normal subgroup of#100564, #100566, #168836, …
maximal quotient of#380415, #380443, #381243, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 23104);