Finite Group Databasebeta
Cayley diagram

#17240

order256
nilpotency class2
isoclinismisoclinic class of #17082
automorphismAut(G) order 65536
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C2×C42

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, commutator, Frattini, socle, cosocleC24C24
prime radicalC25C23
LCSG ▷ C24 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C24 ▷ C1

561 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:

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

Polycyclic presentation:

2^8|a^2=g,b^2=h,c^2=ef,b^a=be,c^a=cf,d^a=dh,c^b=cg,d^b=def,d^c=de

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#17240, #845095, #845132, …
maximal normal subgroup ofC2×#17240, #845095, #845132, …
maximal quotient of#156514, #156528, #156547, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 10228);