Finite Group Databasebeta
Cayley diagram

#21012

order256
nilpotency class3
isoclinismisoclinic class of #1909
automorphismAut(G) order 16384
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C27

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC4#386
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

866 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:

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

Polycyclic presentation:

2^8|a^2=g,b^2=eg,d^2=h,e^2=h,g^2=h,b^a=be,c^a=cf,e^a=eh,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#146655, #146660, #147810, …
maximal normal subgroup of#146655, #146660, #147810, …
maximal quotient of#196234, #196235, #196236, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 14000);