Finite Group Databasebeta
Cayley diagram

#10259

order256
nilpotency class3
isoclinismisoclinic class of #10254
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 radicalC23#121
LCSG ▷ C2×C42 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C2×C42 ▷ C22 ▷ C1

237 conjugacy classes of subgroups; only the 61 normal subgroups are shown.

normal subgroups only

This group has 237 conjugacy classes of subgroups — too many to draw. Only its 61 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)(17,18,21,24)(19,25,27,32)(20,28,30,23)(22,29,31,26);(1,3,6,14)(2,7,9,16)(4,13,5,12)(8,11,15,10);(1,2)(3,11)(4,8)(5,15)(6,9)(7,12)(10,14)(13,16)(17,19,21,27)(18,22,24,31)(20,29,30,26)(23,32,28,25)

Polycyclic presentation:

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

Conjugacy classes & character table

40 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#93801, #93840, #123067, …
maximal normal subgroup of#93801, #93840, #123067, …
maximal quotient of#102459, #102460, #102462, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 3247);