Finite Group Databasebeta
Cayley diagram

#17944

order256
nilpotency class3
isoclinismisoclinic class of #3186
automorphismAut(G) = C24×D4×#120 (order 4096) · Inn(G) = C22×D4 · Out(G) = C24×D4
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4C22×D4
commutatorC2×C4C23×C4
Frattini, cosocleC42C24
socleC22C2×C4×D4
prime radicalC2×#41C2×C4
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C2×C4×C8 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

301 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 32
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 4 generators on 32 points:

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

Polycyclic presentation:

2^8|a^2=f,c^2=f,d^2=g,e^2=g,f^2=h,b^a=be,c^a=cg,d^a=dgh,e^a=eg,c^b=ch,e^b=eg

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#210201, #210203, #210205, …
maximal normal subgroup of#210201, #210203, #210205, …
maximal quotient of#182518, #182553, #183462, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 10932);