Finite Group Databasebeta
Cayley diagram

#20919

order256
nilpotency class3
isoclinismisoclinic class of #3008
automorphismAut(G) order 16384
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C27

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4C22×D4
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
socleC22C2×C4×D4
prime radicalC22×#135C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C22×M16 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

841 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:

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

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,d^b=dh,e^b=eh,f^b=fh,g^b=gh,e^c=eh,f^c=fh,g^c=gh

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#137703, #359613, #359614, …
maximal normal subgroup of#137703, #359613, #359614, …
maximal quotient of#193545, #193546, #193547, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13907);