Finite Group Databasebeta
Cayley diagram

#10253

order256
nilpotency class3
isoclinismisoclinic class of #10238
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#120
LCSG ▷ C2×C42 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C2×C42 ▷ C22 ▷ C1

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

normal subgroups only

This group has 252 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) = 64

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

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

Polycyclic presentation:

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

Conjugacy classes & character table

37 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#10253, #237566, #237570, …
maximal normal subgroup ofC2×#10253, #237566, #237570, …
maximal quotient of#102534, #102537, #102539, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 3241);