Finite Group Databasebeta
Cayley diagram

#20886

order256
nilpotency class3
isoclinismisoclinic class of #3008
automorphismAut(G) order 16384
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C26

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4C22×D4
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
socleC22C2×C4×D4
prime radicalC22×#41C22
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C22×M16 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

663 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 36
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 36 points:

(1,2)(3,4)(5,6,10,15,11,14,9,23)(7,16,19,12,18,27,24,28)(8,20,21,13,22,30,25,29)(17,26,34,35,32,36,33,31);(2,4)(5,7,10,19,11,18,9,24)(6,12,15,27,14,28,23,16)(8,17,21,34,22,32,25,33)(13,26,30,35,29,36,20,31);(5,8)(6,13)(7,17)(9,25)(10,21)(11,22)(12,26)(14,29)(15,30)(16,31)(18,32)(19,34)(20,23)(24,33)(27,35)(28,36);(6,14)(7,18)(13,29)(15,23)(17,32)(19,24)(20,30)(33,34)

Polycyclic presentation:

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#137749, #360558, #360559, …
maximal normal subgroup of#137749, #360558, #360559, …
maximal quotient of#191869, #191870, #191871, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13874);