Finite Group Databasebeta
Cayley diagram

#62467

order256
nilpotency class3
isoclinismisoclinic class of #62307
automorphism?
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C28

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C23×D4
commutator, Frattini, cosocleC2×C4C25
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ #529 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

943 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:

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

Polycyclic presentation:

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

Conjugacy classes & character table

49 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#62467, #10579228, #10579237, …
maximal normal subgroup ofC2×#62467, #10579228, #10579237, …
maximal quotient of#6386905, #6389537, #6389556, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 55455);