Finite Group Databasebeta
Cayley diagram

#10161

order256
nilpotency class3
isoclinismisoclinic class of #10144
automorphismAut(G) order 16384
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#392
commutator, Frattini, cosocleC2×C42C23
prime radicalC2×#127C22
LCSG ▷ C2×C42 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C2×C42 ▷ C22 ▷ C1

278 conjugacy classes of subgroups; only the 65 normal subgroups are shown.

normal subgroups only

This group has 278 conjugacy classes of subgroups — too many to draw. Only its 65 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) = 64

A minimal faithful permutation representation — 3 generators on 24 points:

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

Polycyclic presentation:

2^8|a^2=h,c^2=g,d^2=g,e^2=gh,f^2=g,b^a=bd,c^a=ce,d^a=dg,e^a=egh,f^a=fg,c^b=cf,d^b=dg,e^b=egh,f^b=fg,d^c=dh,e^c=egh,f^c=fg

Conjugacy classes & character table

40 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#10161, #236904, #236923, …
maximal normal subgroup ofC2×#10161, #236904, #236923, …
maximal quotient of#102587, #102627, #102633, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 3149);