Finite Group Databasebeta
Cayley diagram

#20256

order256
nilpotency class3
isoclinismisoclinic class of #20158
automorphismAut(G) order 4096
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22D42
commutator, Frattini, cosocleC42C24
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C42 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

343 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 24
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 4 generators on 24 points:

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

Polycyclic presentation:

2^8|b^2=gh,d^2=h,e^2=g,f^2=h,b^a=be,c^a=cf,e^a=eg,f^a=fh,c^b=cgh,d^b=de,e^b=eg,f^c=fh,e^d=eg

Conjugacy classes & character table

34 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#20256, #6359626, #6359646, …
maximal normal subgroup ofC2×#20256, #6359626, #6359646, …
maximal quotient of#220883, #221013, #222426, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13244);