Finite Group Databasebeta
Cayley diagram

#11956

order256
nilpotency class4
isoclinismisoclinic class of #1366
automorphismAut(G) order 4096
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC4#333
commutatorC42C22×C4
Frattini, cosocleC4×C8C23
socleC2C2×#333
prime radicalC23#100
LCSG ▷ C42 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C4 ◁ C22×C4 ◁ C2×C4×C8 ◁ G
LECSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

146 conjugacy classes of subgroups; only the 69 normal subgroups are shown.

normal subgroups only

This group has 146 conjugacy classes of subgroups — too many to draw. Only its 69 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) = 32
transitive degreeμt(G) = 32

A minimal faithful permutation representation — 3 generators on 32 points:

(1,2,5,9,18,10,28,26,6,11,20,27,4,8,17,24)(3,12,15,25,13,23,19,31,14,29,30,32,16,7,21,22);(1,3,6,14)(2,7)(4,13,18,16)(5,19,20,21)(8,12)(9,25)(10,29)(11,23)(15,17,30,28)(22,26)(24,31)(27,32);(1,4,6,18)(2,8,11,10)(3,13,14,16)(5,17,20,28)(7,12,23,29)(9,24,27,26)(15,19,30,21)(22,25,31,32)

Polycyclic presentation:

2^8|a^2=e,b^2=g,c^2=h,d^2=gh,e^2=fg,f^2=h,b^a=bd,d^a=df,f^a=fh,g^a=gh,d^b=dg,e^b=efg,f^b=fh

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#128907, #128925, #128947, …
maximal normal subgroup of#128907, #128925, #128947, …
maximal quotient of#124129, #124241, #124984, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 4944);