Finite Group Databasebeta
Cayley diagram

#12870

order256
nilpotency class4
isoclinismisoclinic class of #11663
automorphismAut(G) order 8192
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#102
commutatorC2×C8C22×C4
Frattini, cosocleC22×C8C23
prime radicalC24D8
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C23×C4 ◁ C23×C8 ◁ G
LECSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1

210 conjugacy classes of subgroups; only the 73 normal subgroups are shown.

normal subgroups only

This group has 210 conjugacy classes of subgroups — too many to draw. Only its 73 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)(3,6)(4,5)(7,8)(10,14,15,23)(11,17)(12,20)(16,18,21,24)(19,22);(2,5)(6,8);(1,3,4,7)(2,6,5,8)(9,10)(11,18)(12,21)(13,15)(14,22)(16,20)(17,23)(19,24)

Polycyclic presentation:

2^8|a^2=f,c^2=d,e^2=g,g^2=h,b^a=bd,c^a=ce,e^a=eg,g^a=gh,e^c=egh,f^c=fh,g^c=gh

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#130806, #130807, #130808, …
maximal normal subgroup of#130806, #130807, #130808, …
maximal quotient of#135254, #135255, #135256, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 5858);