Finite Group Databasebeta
Cayley diagram

SD16×C19 #64536

order304
nilpotency class3
isoclinismisoclinic class of D8
automorphismAut(G) = C22×D4×C9 (order 288) · Inn(G) = D4 · Out(G) = C22×C9
homologyAbelianization (H1) = C22×C19 · Schur multiplier (H2) = C1

Aliases

direct productSD16×C19

Subgroups

subgroupG/H
center, socleC2×C19D4
commutator, Frattini, cosocleC4C22×C19
prime radicalD4×C19C2
LCSG ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C19 ◁ C4×C19 ◁ G

20 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 27
transitive degreeμt(G) = 152

A minimal faithful permutation representation — 2 generators on 27 points:

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

Conjugacy classes & character table

133 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofSD16×D19, #10597360, #10597361, …
maximal subgroup ofSD16×D19, #10597360, #10597361, …
maximal normal subgroup ofSD16×D19, #10597360, #10597361, …
maximal quotient ofC19×#102, C19×#103, C19×#106, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(304, 25);