Finite Group Databasebeta
Cayley diagram

#61663

order256
nilpotency class3
isoclinismisoclinic class of #61629
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 ◁ #532 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

1032 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)(12,18)(13,19)(14,28)(15,20)(17,24)(21,30)(22,31)(23,33)(25,34)(26,32)(27,35)(29,37)(36,39)(38,40);(1,3)(2,5)(4,8)(6,7)(9,11,15,23)(10,16,20,33)(12,21,25,38)(13,26,14,22)(17,29,35,39)(18,30,34,40)(19,32,28,31)(24,37,27,36);(9,12)(10,17)(11,21)(13,24)(14,27)(15,25)(16,29)(18,28)(19,34)(20,35)(22,36)(23,38)(26,37)(30,31)(32,40)(33,39);(3,8)(5,7)(9,12)(10,18)(11,21)(13,27)(14,24)(15,25)(16,30)(17,28)(19,35)(20,34)(22,37)(23,38)(26,36)(29,31)(32,39)(33,40);(2,6)(5,7)(9,13,15,14)(10,19,20,28)(11,22,23,26)(12,24,25,27)(16,31,33,32)(17,34,35,18)(21,36,38,37)(29,30,39,40)

Polycyclic presentation:

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

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#499888, #500264, #501113, …
maximal normal subgroup of#499888, #500264, #501113, …
maximal quotient of#6386056, #6387667, #6387670, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 54651);