Finite Group Databasebeta
Cayley diagram

#8517

order256
nilpotency class3
isoclinismisoclinic class of #8516
automorphismAut(G) order 8192
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#379
commutatorC22×C4C22×C4
Frattini, cosocleC23×C4C23
prime radicalC2×#537C2
LCSG ▷ C22×C4 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C23×C4 ◁ G
LECSG ▷ C23×C4 ▷ C22 ▷ C1

520 conjugacy classes of subgroups; only the 75 normal subgroups are shown.

normal subgroups only

This group has 520 conjugacy classes of subgroups — too many to draw. Only its 75 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) = 24
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 3 generators on 24 points:

(1,2)(3,7,8,5)(4,6)(9,10)(11,18,20,15)(12,16)(13,17)(14,19,23,21)(22,24);(1,3,4,8)(2,5,6,7)(9,11)(10,14)(12,21)(13,20)(15,16)(17,23)(18,24)(19,22);(9,11)(10,15)(12,19)(13,20)(14,16)(17,18)(21,22)(23,24)

Polycyclic presentation:

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

Conjugacy classes & character table

34 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#133374, #133375, #133376, …
maximal normal subgroup of#133374, #133375, #133376, …
maximal quotient of#97017, #97021, #97023, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 1505);