Finite Group Databasebeta
Cayley diagram

#18183

order256
nilpotency class3
isoclinismisoclinic class of #18162
automorphismAut(G) order 8192
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#120
commutator, Frattini, cosocleC22×C4C24
prime radical#532C22
LCSG ▷ C22×C4 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C22×C4 ▷ C22 ▷ C1

463 conjugacy classes of subgroups; only the 113 normal subgroups are shown.

normal subgroups only

This group has 463 conjugacy classes of subgroups — too many to draw. Only its 113 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) = 64

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

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

Polycyclic presentation:

2^8|a^2=g,c^2=g,d^2=gh,e^2=g,b^a=be,c^a=cf,e^a=eg,d^b=dg,e^b=eg,f^b=fh,e^c=eh

Conjugacy classes & character table

40 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#244588, #244589, #244595, …
maximal normal subgroup of#244588, #244589, #244595, …
maximal quotient of#166330, #166332, #166386, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 11171);