Finite Group Databasebeta
Cayley diagram

#56897

order256
nilpotency class2
isoclinismisoclinic class of #53390
automorphismAut(G) = C215 (order 32768) · Inn(G) = C25 · Out(G) = C210
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C27

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, commutator, Frattini, socle, cosocleC23C25
prime radical#392C22
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C23 ◁ G
LECSG ▷ C23 ▷ C1

749 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 5 generators on 32 points:

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

Polycyclic presentation:

2^8|a^2=fgh,b^2=g,c^2=h,e^2=fg,b^a=bf,c^a=cg,d^a=dg,e^a=ef,c^b=ch,d^b=df,e^b=egh,d^c=dgh

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#56897, #8099600, #8100313, …
maximal normal subgroup ofC2×#56897, #8099600, #8100313, …
maximal quotient of#586004, #586287, #586855, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 49885);