Finite Group Databasebeta
Cayley diagram

#23311

order256
nilpotency class2
isoclinismisoclinic class of #2812
automorphismAut(G) order 49152
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C2×C42

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, Frattini, cosocleC22×C4C24
commutator, socleC23C23×C4
prime radical#2388C2
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C22×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

449 conjugacy classes of subgroups; only the 145 normal subgroups are shown.

normal subgroups only

This group has 449 conjugacy classes of subgroups — too many to draw. Only its 145 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)(3,7)(4,6)(5,8)(9,10)(11,13)(12,14)(15,16)(17,18,21,24,20,23,28,31)(19,25,27,32,26,22,29,30);(1,3)(2,5)(4,8)(6,7)(9,11)(10,13)(12,15)(14,16);(3,8)(5,7)(10,14)(11,15)(17,19)(18,22)(20,26)(21,27)(23,25)(24,30)(28,29)(31,32);(2,6)(3,8)(10,14)(13,16)(19,26)(22,25)(27,29)(30,32)

Polycyclic presentation:

2^8|a^2=g,g^2=h,b^a=be,c^a=cf,d^a=defh,c^b=cefh,d^b=de,d^c=dh

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#23311⋊C3
maximal subgroup of#136290, #137283, #139956, …
maximal normal subgroup of#136290, #137283, #139956, …
maximal quotient of#357284, #357327, #357358, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 16299);