Finite Group Databasebeta
Cayley diagram

#21516

order256
nilpotency class3
isoclinismisoclinic class of #3008
automorphismAut(G) = C211×D4 (order 16384) · Inn(G) = C22×D4 · Out(G) = C29
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socle, prime radicalC23C22×D4
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ #376 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

466 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 24
transitive degreeμt(G) = 256

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

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

Polycyclic presentation:

2^8|a^2=g,b^2=eh,c^2=h,d^2=gh,f^2=h,b^a=be,c^a=cf,f^a=fh,d^b=dh,f^c=fh

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#21516, #6372803, #6372810, …
maximal normal subgroup ofC2×#21516, #6372803, #6372810, …
maximal quotient of#210459, #210467, #210499, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 14504);