Finite Group Databasebeta
Cayley diagram

#21658

order256
nilpotency class3
isoclinismisoclinic class of #465
automorphismAut(G) order 16384
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C23×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C8C2×D4
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
socleC22C2×C4×D4
prime radical#532C22
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C8 ◁ C2×C4×C8 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

385 conjugacy classes of subgroups; only the 167 normal subgroups are shown.

normal subgroups only

This group has 385 conjugacy classes of subgroups — too many to draw. Only its 167 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 — 4 generators on 24 points:

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

Polycyclic presentation:

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

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#124904, #136769, #136799, …
maximal normal subgroup of#124904, #136769, #136799, …
maximal quotient ofC8×#486, C8×#487, C8×#488, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 14646);