Finite Group Databasebeta
Cayley diagram

#18311

order256
nilpotency class3
isoclinismisoclinic class of #18284
automorphismAut(G) order 16384
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#120
commutator, Frattini, cosocleC22×C4C24
prime radicalC24C2×D4
LCSG ▷ C22×C4 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C22×C4 ▷ C22 ▷ C1

444 conjugacy classes of subgroups; only the 127 normal subgroups are shown.

normal subgroups only

This group has 444 conjugacy classes of subgroups — too many to draw. Only its 127 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:

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

Polycyclic presentation:

2^8|a^2=gh,b^2=g,d^2=h,e^2=g,b^a=be,c^a=cf,d^a=dh,e^a=eg,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#142450, #142451, #142454, …
maximal normal subgroup of#142450, #142451, #142454, …
maximal quotient of#168551, #168608, #168659, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 11299);