Finite Group Databasebeta
Cayley diagram

#20884

order256
nilpotency class3
isoclinismisoclinic class of #3003
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 ◁ C23×C8 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

671 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)(7,16,18,12,19,28,24,27)(8,20,21,13,22,30,25,29)(17,26,33,36,34,35,32,31);(2,4)(5,7,10,18,11,19,9,24)(6,12,15,28,14,27,23,16)(8,17,21,33,22,34,25,32)(13,26,30,36,29,35,20,31);(5,8)(6,13)(7,17)(9,25)(10,21)(11,22)(12,26)(14,29)(15,30)(16,31)(18,33)(19,34)(20,23)(24,32)(27,35)(28,36);(6,14)(12,27)(13,29)(15,23)(16,28)(20,30)(26,35)(31,36)

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,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#137718, #365167, #365168, …
maximal normal subgroup of#137718, #365167, #365168, …
maximal quotient of#191863, #191864, #191865, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13872);