Finite Group Databasebeta
Cayley diagram

#20998

order256
nilpotency class3
isoclinismisoclinic class of #1902
automorphismAut(G) order 8192
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 radicalC2×#575C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C4 ◁ C23×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

852 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)(3,13,16,24,17,23,15,8)(4,18,19,9,21,25,20,26)(14,22,28,31,30,32,29,27);(1,3)(2,8,12,24)(4,14)(5,15)(6,16)(7,17)(9,22,26,32)(10,23,11,13)(18,27,25,31)(19,28)(20,29)(21,30);(1,4)(2,9)(3,14)(5,19)(6,20)(7,21)(8,22)(10,25)(11,18)(12,26)(13,27)(15,28)(16,29)(17,30)(23,31)(24,32);(1,5,7,6)(2,10,12,11)(3,15,17,16)(4,19,21,20)(8,23,24,13)(9,25,26,18)(14,28,30,29)(22,31,32,27)

Polycyclic presentation:

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

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#354322, #355823, #356645, …
maximal normal subgroup of#354322, #355823, #356645, …
maximal quotient of#196078, #196079, #196080, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13986);