Finite Group Databasebeta
Cayley diagram

#11876

order256
nilpotency class4
isoclinismisoclinic class of #11757
automorphismAut(G) order 4096
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#99
commutatorC22×C4C22×C4
Frattini, cosocleC2×C22⋊C4C23
prime radical#2543C2
LCSG ▷ C22×C4 ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C2×C4×D4 ◁ G
LECSG ▷ C2×C22⋊C4 ▷ C23 ▷ C2 ▷ C1

261 conjugacy classes of subgroups; only the 57 normal subgroups are shown.

normal subgroups only

This group has 261 conjugacy classes of subgroups — too many to draw. Only its 57 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) = 32

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

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

Polycyclic presentation:

2^8|a^2=e,c^2=g,d^2=g,b^a=bd,c^a=cg,d^a=df,f^a=fh,c^b=cfh,d^b=dg,e^b=efg,d^c=dh,e^d=eh

Conjugacy classes & character table

37 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#130218, #130219, #130220, …
maximal normal subgroup of#130218, #130219, #130220, …
maximal quotient of#122704, #122705, #122708, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 4864);