Finite Group Databasebeta
Cayley diagram

#16671

order256
nilpotency class2
isoclinismisoclinic class of #16261
automorphismAut(G) order 65536
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, commutator, Frattini, socle, prime radical, cosocleC24C24
LCSG ▷ C24 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C24 ▷ C1

547 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 28
transitive degreeμt(G) = 256

A minimal faithful permutation representation — 4 generators on 28 points:

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

Polycyclic presentation:

2^8|a^2=f,b^2=e,c^2=ef,d^2=eg,b^a=be,c^a=cf,d^a=dh,c^b=cg,d^c=de

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#16671, #611301, #611310, …
maximal normal subgroup ofC2×#16671, #611301, #611310, …
maximal quotient of#155675, #155688, #155793, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 9659);