Finite Group Databasebeta
Cayley diagram

#17816

order256
nilpotency class3
isoclinismisoclinic class of #3186
automorphismAut(G) order 16384
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C23×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4C22×D4
commutatorC2×C4C23×C4
Frattini, cosocleC42C24
socleC22C22×C4⋊C4
prime radicalC24C4⋊C4
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C22×C42 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

320 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 32
transitive degreeμt(G) = 64

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

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

Polycyclic presentation:

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#109722, #109723, #116656, …
maximal normal subgroup of#109722, #109723, #116656, …
maximal quotient of#180928, #183391, #183392, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 10804);