Finite Group Databasebeta
Cayley diagram

#11663

order256
nilpotency class4
isoclinismisoclinic class of #11663
automorphismAut(G) order 8192
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#102
commutatorC2×C8C22×C4
Frattini, cosocleC4×C8C23
prime radicalC22×D8C4
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ C2×C4×C8 ◁ G
LECSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

213 conjugacy classes of subgroups; only the 65 normal subgroups are shown.

normal subgroups only

This group has 213 conjugacy classes of subgroups — too many to draw. Only its 65 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) = 64

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

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

Polycyclic presentation:

2^8|a^2=e,d^2=f,e^2=g,f^2=h,b^a=bd,c^a=cg,d^a=df,f^a=fh,d^b=dfh,e^b=eh,f^b=fh

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#131042, #131048, #131066, …
maximal normal subgroup of#131042, #131048, #131066, …
maximal quotient of#124662, #124700, #124731, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 4651);