Finite Group Databasebeta
Cayley diagram

#20939

order256
nilpotency class3
isoclinismisoclinic class of #3019
automorphismAut(G) order 8192
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 radicalC2×#575C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C4 ◁ C23×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

834 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)(3,12,15,24)(4,16)(5,11)(6,20)(7,10)(8,14,23,19)(9,17)(13,28,31,22)(18,26)(21,25)(27,29,32,30);(1,3,5,19,7,15,6,14)(2,8,11,24,10,23,20,12)(4,13,17,30,18,31,21,29)(9,22,26,32,25,28,16,27);(1,4)(2,9)(3,13)(5,17)(6,21)(7,18)(8,22)(10,25)(11,26)(12,27)(14,29)(15,31)(16,20)(19,30)(23,28)(24,32);(2,10)(8,23)(9,25)(11,20)(12,24)(16,26)(22,28)(27,32)

Polycyclic presentation:

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

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#359575, #359619, #359620, …
maximal normal subgroup of#359575, #359619, #359620, …
maximal quotient of#193727, #193728, #193729, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13927);