Finite Group Databasebeta
Cayley diagram

#17957

order256
nilpotency class3
isoclinismisoclinic class of #465
automorphismAut(G) order 8192
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C8C2×D4
commutatorC2×C4C23×C4
Frattini, cosocleC42C24
socleC22C2×C4×D4
prime radical#532C22
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C8 ◁ C2×C4×C8 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

341 conjugacy classes of subgroups; only the 167 normal subgroups are shown.

normal subgroups only

This group has 341 conjugacy classes of subgroups — too many to draw. Only its 167 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) = 128

A minimal faithful permutation representation — 4 generators on 24 points:

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

Polycyclic presentation:

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

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#136649, #136711, #140706, …
maximal normal subgroup of#136649, #136711, #140706, …
maximal quotient of#182456, #182457, #183472, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 10945);