Finite Group Databasebeta
Cayley diagram

#27849

order256
nilpotency class3
isoclinismisoclinic class of #24274
automorphismAut(G) order 32768
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC22×C4C24
prime radicalC24C2×D4
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C4×C22⋊C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

308 conjugacy classes of subgroups; only the 115 normal subgroups are shown.

normal subgroups only

This group has 308 conjugacy classes of subgroups — too many to draw. Only its 115 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:

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

Polycyclic presentation:

2^8|a^2=fg,b^2=ef,d^2=e,e^2=h,b^a=be,c^a=cf,d^a=de,e^a=eh,c^b=cg,d^b=dh,d^c=dh

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#504962, #505038, #505448, …
maximal normal subgroup of#504962, #505038, #505448, …
maximal quotient of#360474, #362680, #365310, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 20837);