Finite Group Databasebeta
Cayley diagram

#55175

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 radicalC22×D4C23
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C23 ◁ G
LECSG ▷ C23 ▷ C1

740 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:

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

Polycyclic presentation:

2^8|b^2=gh,c^2=fg,d^2=fg,e^2=f,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×#55175, #8102583, #8102617, …
maximal normal subgroup ofC2×#55175, #8102583, #8102617, …
maximal quotient of#585826, #586045, #586274, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 48163);