Finite Group Databasebeta
Cayley diagram

SD16×#99 #220281

order512
nilpotency class3
isoclinismisoclinic class of D8×#99
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C26

Aliases

direct productSD16×#99

Subgroups

subgroupG/H
center, socleC22D4×C22⋊C4
commutatorC22×C4C23×C4
Frattini, cosocleC23×C4C24
prime radicalC2×D42C22
LCSG ▷ C22×C4 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C23×C4 ◁ G
LECSG ▷ C23×C4 ▷ C22 ▷ C1

1359 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 16
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 16 points:

(1,2,4,7)(3,5,8,6);(2,5)(3,8)(6,7);(9,10)(11,15,16,13)(12,14);(9,11)(10,13)(12,16)(14,15)

Conjugacy classes & character table

77 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofSD16×B(4,𝔽2), #99×GL(2,𝔽3), #99×AΓL(1,𝔽9), …
maximal normal subgroup ofSD16×B(4,𝔽2), #99×AGL(1,ℤ/8), #72313082, …
maximal quotient of#99×AΓL(1,𝔽9), #99×#106, #99×#102

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 127477);