Finite Group Databasebeta
Cayley diagram

#12748

order256
nilpotency class4
isoclinismisoclinic class of #2192
automorphismAut(G) order 4096
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#447
commutatorC2×C8C22×C4
Frattini, cosocleC22×C8C23
prime radicalC2×#576C2
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C2×#131 ◁ G
LECSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1

467 conjugacy classes of subgroups; only the 87 normal subgroups are shown.

normal subgroups only

This group has 467 conjugacy classes of subgroups — too many to draw. Only its 87 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

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

Polycyclic presentation:

2^8|a^2=f,d^2=gh,e^2=h,f^2=h,g^2=h,b^a=bd,c^a=ce,d^a=dg,g^a=gh,d^b=dg,g^b=gh,e^c=eh,f^c=fh

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#12748, #493550, #493551, …
maximal normal subgroup ofC2×#12748, #493550, #493551, …
maximal quotient of#129520, #129564, #129791, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 5736);