Finite Group Databasebeta
Cayley diagram

#19177

order256
nilpotency class3
isoclinismisoclinic class of #19162
automorphismAut(G) order 8192
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#121
commutator, Frattini, cosocleC42C24
prime radical#532C22
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

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

normal subgroups only

This group has 325 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) = 24
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 4 generators on 24 points:

(1,2,6,8)(3,4,7,5)(9,10)(11,17)(12,14)(13,21)(15,19)(16,20)(18,24)(22,23);(1,3,5,2,6,7,4,8)(10,14)(15,23)(16,21)(17,24);(9,11,12,18)(10,15,14,23)(13,22,20,19)(16,24,21,17);(1,4,6,5)(2,7,8,3)

Polycyclic presentation:

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

Conjugacy classes & character table

43 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#267491, #267493, #267495, …
maximal normal subgroup of#267491, #267493, #267495, …
maximal quotient of#189085, #197732, #197733, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 12165);