Finite Group Databasebeta
Cayley diagram

#20947

order256
nilpotency class3
isoclinismisoclinic class of #3019
automorphismAut(G) order 16384
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C27

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC4C2×#120
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
socleC2C2×#386
prime radical#3449C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C4 ◁ C23×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

854 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)(3,11,14,25)(4,15,17,8)(5,10)(6,9)(7,13,22,18)(12,27)(16,26,19,23)(20,24)(21,28)(29,32)(30,31);(1,3,5,18,6,14,20,13)(2,7,10,25,9,22,24,11)(4,12,19,28,17,29,16,30)(8,21,26,32,15,31,23,27);(1,4)(2,8)(3,12)(5,19)(6,17)(7,21)(9,15)(10,26)(11,27)(13,30)(14,29)(16,20)(18,28)(22,31)(23,24)(25,32);(2,9)(7,22)(8,15)(10,24)(11,25)(21,31)(23,26)(27,32)

Polycyclic presentation:

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

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#147803, #147841, #147848, …
maximal normal subgroup of#147803, #147841, #147848, …
maximal quotient of#193789, #193790, #193791, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13935);