Finite Group Databasebeta
Cayley diagram

#12660

order256
nilpotency class3
isoclinismisoclinic class of #1812
automorphismAut(G) order 8192
homologyAbelianization (H1) = C2×C42 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4#117
commutatorC2×C4C2×C42
Frattini, cosocleC22×C8C23
socleC22#432
prime radicalC23C2×M16
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C2×#97 ◁ G
LECSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1

165 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 3 generators on 36 points:

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

Polycyclic presentation:

2^8|a^2=e,b^2=f,c^2=de,f^2=g,g^2=h,b^a=bd,c^a=ch,f^a=fh,c^b=cg,d^b=dh,f^c=fh

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#93614, #93615, #93651, …
maximal normal subgroup of#93614, #93615, #93651, …
maximal quotient of#129056, #129069, #129079, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 5648);