Finite Group Databasebeta
Cayley diagram

M16×D8 #18034

order256
nilpotency class3
isoclinismisoclinic class of D4×D8
automorphismAut(G) order 8192
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25

Aliases

direct productM16×D8

Subgroups

subgroupG/H
centerC2×C4C22×D4
commutatorC2×C4C23×C4
Frattini, cosocleC42C24
socleC22C2×C4×D4
prime radicalC22×D8C4
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C4×M16 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

397 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:

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

Conjugacy classes & character table

70 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#136472, #136474, #137013, …
maximal normal subgroup of#136472, #136474, #137013, …
maximal quotient ofM16×#102, M16×#107, #183949, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 11022);