Finite Group Databasebeta
Cayley diagram

#12793

order256
nilpotency class4
isoclinismisoclinic class of #11499
automorphismAut(G) order 4096
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#99
commutatorC24C22×C4
Frattini, cosocleC22×D4C23
prime radicalC2×#120C22
LCSG ▷ C24 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C2×C4×D4 ◁ G
LECSG ▷ C22×D4 ▷ C22 ▷ C2 ▷ C1

404 conjugacy classes of subgroups; only the 67 normal subgroups are shown.

normal subgroups only

This group has 404 conjugacy classes of subgroups — too many to draw. Only its 67 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)(7,11,12,9)(8,10);(1,2,3,4);(6,9)(10,11)

Polycyclic presentation:

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

Conjugacy classes & character table

40 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#130256, #130258, #130260, …
maximal normal subgroup of#130256, #130258, #130260, …
maximal quotient of#134226, #134258, #134280, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 5781);