Finite Group Databasebeta
Cayley diagram

#19382

order256
nilpotency class3
isoclinismisoclinic class of #19368
automorphismAut(G) order 4096
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#121
commutator, Frattini, cosocleC42C24
prime radical#3251C2
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

297 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)(3,10)(4,8)(5,14)(6,9)(7,11)(12,15)(13,16)(17,18)(19,27)(20,26)(21,23)(22,25)(24,28)(29,32)(30,31);(1,3,5,11,6,12,4,13)(2,7,8,10,9,16,14,15)(18,23)(24,31)(25,26)(27,32);(1,2)(3,7)(4,14)(5,8)(6,9)(10,11)(12,16)(13,15)(17,19)(18,24)(20,28)(21,29)(22,30)(23,31)(25,27)(26,32);(1,4,6,5)(2,8,9,14)(3,11,12,13)(7,15,16,10)(17,20,21,22)(18,25,23,26)(19,28,29,30)(24,27,31,32)

Polycyclic presentation:

2^8|b^2=eh,d^2=gh,e^2=g,f^2=h,b^a=be,c^a=cf,d^a=dh,e^a=eg,f^a=fh,d^b=dg,d^c=dg,f^c=fh

Conjugacy classes & character table

37 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#19382, #6354072, #6354074, …
maximal normal subgroup ofC2×#19382, #6354072, #6354074, …
maximal quotient of#189131, #197832, #197837, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 12370);