Finite Group Databasebeta
Cayley diagram

#7705

order256
nilpotency class3
isoclinismisoclinic class of #7694
automorphismAut(G) order 16384
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C2×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23C2×C22⋊C4
commutatorC22×C4C22×C4
Frattini, cosocleC2×C42C23
prime radicalC24C22⋊C4
LCSG ▷ C22×C4 ▷ C22 ▷ C1
UCSC1 ◁ C23 ◁ C22×C42 ◁ G
LECSG ▷ C2×C42 ▷ C23 ▷ C1

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

normal subgroups only

This group has 250 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) = 32
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 3 generators on 32 points:

(1,2)(3,7,8,5)(4,6)(9,10,12,14,13,16,11,15)(17,18)(19,25,27,32)(20,24)(21,23)(22,26,30,28)(29,31);(1,3,4,8)(2,5,6,7)(10,14)(11,12)(15,16)(17,19)(18,22)(20,28)(21,27)(23,30)(24,32)(25,31)(26,29);(9,11,13,12)(10,14,16,15)(18,23)(22,30)(24,31)(25,32)

Polycyclic presentation:

2^8|a^2=e,b^2=f,c^2=h,d^2=g,e^2=h,b^a=bd,c^a=cg,d^a=df,c^b=ch,d^b=dg,e^b=efg

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#98057, #98061, #98064, …
maximal normal subgroup of#98057, #98061, #98064, …
maximal quotient of#96278, #96749, #96932, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 693);