Finite Group Databasebeta
Cayley diagram

#28863

order256
nilpotency class3
isoclinismisoclinic class of #24269
automorphismAut(G) = C211×D4 (order 16384) · Inn(G) = C22×D4 · Out(G) = C29
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C23

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

334 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 32
transitive degreeμt(G) = 128

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

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

Polycyclic presentation:

2^8|b^2=egh,c^2=h,d^2=f,g^2=h,b^a=be,c^a=cf,d^a=deh,c^b=cg,g^c=gh

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#28863, #6459872, #6459892, …
maximal normal subgroup ofC2×#28863, #6459872, #6459892, …
maximal quotient of#362377, #362437, #366061, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 21851);