Finite Group Databasebeta
Cayley diagram

#22304

order256
nilpotency class2
isoclinismisoclinic class of #2812
automorphismAut(G) order 32768
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, Frattini, cosocleC22×C4C24
commutator, socle, prime radicalC23C23×C4
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C22×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

289 conjugacy classes of subgroups; only the 159 normal subgroups are shown.

normal subgroups only

This group has 289 conjugacy classes of subgroups — too many to draw. Only its 159 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) = 256

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

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

Polycyclic presentation:

2^8|a^2=g,b^2=fg,c^2=f,d^2=e,g^2=h,b^a=be,c^a=cf,d^a=deh,c^b=ceh,d^c=dh

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#244482, #244483, #244484, …
maximal normal subgroup of#244482, #244483, #244484, …
maximal quotient of#355249, #355389, #355879, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 15292);