Finite Group Databasebeta
Cayley diagram

#30226

order256
nilpotency class3
isoclinismisoclinic class of #29742
automorphismAut(G) order 262144
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C2×C42

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socle, prime radicalC23C22×D4
commutator, Frattini, cosocleC22×C4C24
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C43 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

359 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 32
transitive degreeμt(G) = 256

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

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

Polycyclic presentation:

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

Conjugacy classes & character table

40 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#176944, #176946, #176968, …
maximal normal subgroup of#176944, #176946, #176968, …
maximal quotient of#380171, #380610, #381040, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 23214);