Finite Group Databasebeta
Cayley diagram

#60749

order256
nilpotency class3
isoclinismisoclinic class of #3198
automorphism?
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C28

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4C22×D4
commutator, Frattini, cosocleC2×C4C25
socleC22C23×D4
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C22×#41 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

1083 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 40
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 5 generators on 40 points:

(1,2)(3,7)(4,6)(5,8)(9,10)(11,16)(12,24)(13,18)(14,27)(15,19)(17,25)(20,34)(21,30)(22,31)(23,37)(26,32)(28,33)(29,36)(35,40)(38,39);(1,3)(2,5)(4,8)(6,7)(9,11)(10,16)(12,20)(13,22)(14,23)(15,21)(17,29)(18,31)(19,30)(24,34)(25,36)(26,35)(27,37)(28,38)(32,40)(33,39);(3,8)(5,7)(9,12)(10,17)(11,20)(13,25)(14,28)(15,26)(16,29)(18,32)(19,33)(21,35)(22,36)(23,38)(24,27)(30,39)(31,40)(34,37);(2,6)(5,7)(11,21)(16,30)(20,35)(22,23)(29,39)(31,37)(34,40)(36,38);(9,13,15,14)(10,18,19,27)(11,22,21,23)(12,25,26,28)(16,31,30,37)(17,32,33,24)(20,36,35,38)(29,40,39,34)

Polycyclic presentation:

2^8|e^2=h,g^2=h,b^a=bf,c^a=cg,d^a=df,g^a=gh,c^b=cf,d^b=dh,g^c=gh

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#131279, #131284, #131321, …
maximal normal subgroup of#131279, #131284, #131321, …
maximal quotient of#6374163, #6374864, #6375507, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53737);