Finite Group Databasebeta
Cayley diagram

#11107

order256
nilpotency class3
isoclinismisoclinic class of #2018
automorphismAut(G) order 32768
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23#121
commutatorC22×C4C22×C4
Frattini, cosocleC23×C4C23
prime radicalC22×#41C22
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C23×C4 ◁ G
LECSG ▷ C23×C4 ▷ C2 ▷ C1

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

normal subgroups only

This group has 455 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) = 24
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 3 generators on 24 points:

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

Polycyclic presentation:

2^8|a^2=g,b^2=dh,d^2=h,e^2=h,b^a=bd,c^a=ce,d^a=dh,e^a=eh,c^b=cf,e^c=eh

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#94283, #94284, #131276, …
maximal normal subgroup of#94283, #94284, #131276, …
maximal quotient of#116432, #116455, #116461, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 4095);