Finite Group Databasebeta
Cayley diagram

#13223

order256
nilpotency class4
isoclinismisoclinic class of #11549
automorphismAut(G) order 8192
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22×C42

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#99
commutatorC22×C4C22×C4
Frattini, cosocleC22×D4C23
prime radical#2541C2
LCSG ▷ C22×C4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C2×C4×D4 ◁ G
LECSG ▷ C22×D4 ▷ C22 ▷ C2 ▷ C1

362 conjugacy classes of subgroups; only the 63 normal subgroups are shown.

normal subgroups only

This group has 362 conjugacy classes of subgroups — too many to draw. Only its 63 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) = 12
transitive degreeμt(G) = 32

A minimal faithful permutation representation — 3 generators on 12 points:

(2,4)(5,6)(7,11,12,8)(9,10);(5,7,11,10)(6,9,12,8);(1,2,3,4)

Polycyclic presentation:

2^8|a^2=f,b^2=df,c^2=e,d^2=h,b^a=bd,c^a=ce,d^a=dg,g^a=gh,d^b=dgh,f^b=fgh,g^b=gh,f^d=fh

Conjugacy classes & character table

37 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#132197, #132199, #132201, …
maximal normal subgroup of#132197, #132199, #132201, …
maximal quotient of#140612, #140627, #140653, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 6211);