Finite Group Databasebeta
Cayley diagram

#17934

order256
nilpotency class3
isoclinismisoclinic class of #3192
automorphismAut(G) order 8192
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4C22×D4
commutatorC2×C4C23×C4
Frattini, cosocleC42C24
socleC22C2×C4×D4
prime radicalC23C4×D4
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C2×C4×C8 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

291 conjugacy classes of subgroups; only the 153 normal subgroups are shown.

normal subgroups only

This group has 291 conjugacy classes of subgroups — too many to draw. Only its 153 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) = 128

A minimal faithful permutation representation — 4 generators on 32 points:

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

Polycyclic presentation:

2^8|a^2=f,b^2=g,c^2=f,e^2=g,f^2=h,b^a=be,c^a=cg,d^a=dh,e^a=eg,c^b=ch,e^b=eg

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#137837, #209093, #209095, …
maximal normal subgroup of#137837, #209093, #209095, …
maximal quotient of#182514, #182550, #183469, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 10922);