Finite Group Databasebeta
Cayley diagram

#7020

order256
nilpotency class3
isoclinismisoclinic class of #1284
automorphismAut(G) order 8192
homologyAbelianization (H1) = C4×C8 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23#95
commutatorC2×C4C4×C8
Frattini, cosocleC22×C42C22
prime radicalC24C4⋊C4
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C22×C42 ◁ G
LECSG ▷ C22×C42 ▷ C23 ▷ C1

215 conjugacy classes of subgroups; only the 79 normal subgroups are shown.

normal subgroups only

This group has 215 conjugacy classes of subgroups — too many to draw. Only its 79 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 — 2 generators on 24 points:

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

Polycyclic presentation:

2^8|a^2=d,b^2=e,c^2=fg,d^2=h,e^2=fg,b^a=bc,c^a=cf,e^a=efg,d^b=dg

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#92845, #92846, #92847, …
maximal normal subgroup of#92845, #92846, #92847, …
maximal quotient of#92806, #92812, #92813, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 8);