Finite Group Databasebeta
Cayley diagram

#22312

order256
nilpotency class2
isoclinismisoclinic class of #2812
automorphismAut(G) order 32768
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C22×C4

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

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

normal subgroups only

This group has 305 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:

(1,2)(3,6)(4,8)(5,7)(9,10)(11,13)(12,15)(14,16)(17,18,23,19,22,26,21,25)(20,24,28,27,29,31,30,32);(1,3,5,4)(2,6,7,8)(9,11,13,10)(12,15,16,14)(17,19,23,26,22,25,21,18)(20,27,28,31,29,32,30,24);(1,4,5,3)(2,6,7,8)(10,11)(14,15)(17,20,22,29)(18,24,26,31)(19,27,25,32)(21,30,23,28);(9,12,13,16)(10,14,11,15)(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=ef,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#244479, #244480, #244481, …
maximal normal subgroup of#244479, #244480, #244481, …
maximal quotient of#355237, #355389, #355863, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 15300);