Finite Group Databasebeta
Cayley diagram

C2×SD16 #133

order32
nilpotency class3
isoclinismisoclinic class of D8
automorphismAut(G) = #3484 (order 128) · Inn(G) = D4 · Out(G) = C2×D4
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C22

Aliases

direct productC2×SD16

Subgroups

subgroupG/H
center, socleC22D4
commutator, Frattini, cosocleC4C23
prime radicalC2×D4C2
LCSG ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C4 ◁ G
LECSG ▷ C4 ▷ C2 ▷ C1

34 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 10
transitive degreeμt(G) = 16

A minimal faithful permutation representation — 3 generators on 10 points:

(1,2);(3,4,6,9)(5,7,10,8);(4,7)(5,10)(8,9)

Conjugacy classes & character table

14 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofC2×SD16×A5, SD16×SL(2,𝔽5), C2×#11751547, …
maximal subgroup ofC4×SD16, #440, #448, …
maximal normal subgroup ofC4×SD16, #440, #448, …
maximal quotient ofC2×#102, C2×#103, C2×#106, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(32, 40);