Finite Group Databasebeta
Cayley diagram

#8494

order256
nilpotency class3
isoclinismisoclinic class of #8491
automorphismAut(G) order 8192
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#379
commutatorC42C22×C4
Frattini, cosocleC2×C42C23
prime radical#3548C2
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C2×C42 ▷ C22 ▷ C1

366 conjugacy classes of subgroups; only the 71 normal subgroups are shown.

normal subgroups only

This group has 366 conjugacy classes of subgroups — too many to draw. Only its 71 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)(3,10,12,6)(4,9)(5,8)(7,11,15,13)(14,16)(18,22,24,27)(23,31,32,30);(1,3)(2,6)(4,11)(5,12)(7,9)(8,10)(13,14)(15,16)(17,18)(19,23)(20,27)(21,24)(22,29)(25,30)(26,32)(28,31);(1,3)(2,7)(4,13)(5,12)(6,9)(8,15)(10,16)(11,14)(17,19,21,26)(18,23,24,32)(20,28,29,25)(22,30,27,31)

Polycyclic presentation:

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

Conjugacy classes & character table

34 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#8494, #187397, #187398, …
maximal normal subgroup ofC2×#8494, #187397, #187398, …
maximal quotient of#96986, #96996, #97170, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 1482);