Finite Group Databasebeta
Cayley diagram

#20964

order256
nilpotency class3
isoclinismisoclinic class of #3026
automorphismAut(G) order 16384
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C27

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC4C2×#120
commutatorC23C23×C4
Frattini, cosocleC22×C4C24
socleC2C2×#386
prime radical#3449C2
LCSG ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C4 ◁ C23×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

850 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

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

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

Polycyclic presentation:

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

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#147802, #147841, #147844, …
maximal normal subgroup of#147802, #147841, #147844, …
maximal quotient of#193865, #193866, #193867, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13952);