Finite Group Databasebeta
Cayley diagram

#10028

order256
nilpotency class3
isoclinismisoclinic class of #10026
automorphismAut(G) order 8192
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#392
commutator, Frattini, cosocleC2×C42C23
prime radical#3245C2
LCSG ▷ C2×C42 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C2×C42 ▷ C22 ▷ C1

256 conjugacy classes of subgroups; only the 51 normal subgroups are shown.

normal subgroups only

This group has 256 conjugacy classes of subgroups — too many to draw. Only its 51 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) = 32
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 3 generators on 32 points:

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

Polycyclic presentation:

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

Conjugacy classes & character table

34 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#93223, #93225, #123097, …
maximal normal subgroup of#93223, #93225, #123097, …
maximal quotient of#102431, #102437, #102444, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 3016);