Finite Group Databasebeta
Cayley diagram

#11137

order256
nilpotency class3
isoclinismisoclinic class of #2002
automorphismAut(G) order 8192
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4#120
commutatorC22×C4C22×C4
Frattini, cosocleC23×C4C23
socleC22#385
prime radicalC22×#41C22
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C23×C4 ◁ G
LECSG ▷ C23×C4 ▷ C2 ▷ C1

427 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)(5,6,10,14,11,15,9,24)(7,16,20,27,19,32,18,12)(8,13,22,30,23,29,25,28)(17,31,33,36,21,35,34,26);(5,7,9,18,11,19,10,20)(6,12,14,16,15,27,24,32)(8,21,22,34,23,17,25,33)(13,26,28,35,29,36,30,31);(2,4)(5,8)(6,13)(7,17)(9,25)(10,22)(11,23)(12,26)(14,30)(15,29)(16,31)(18,34)(19,21)(20,33)(24,28)(27,36)(32,35)

Polycyclic presentation:

2^8|a^2=g,b^2=d,d^2=h,g^2=h,b^a=bd,c^a=ce,d^a=dh,f^a=fh,c^b=cf,f^b=fh,d^c=dh

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#11137, #357831, #358505, …
maximal normal subgroup ofC2×#11137, #357831, #358505, …
maximal quotient of#116991, #116992, #117027, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 4125);