Finite Group Databasebeta
Cayley diagram

C22×C19 #663

order76
nilpotency class1
isoclinismisoclinic class of C1
automorphismAut(G) = C2×D3×C9 (order 108) · Inn(G) = C1 · Out(G) = C2×D3×C9
holomorphG ⋊ Aut(G) = S4×AGL(1,𝔽19)
homologyAbelianization (H1) = G · Schur multiplier (H2) = C2

Aliases

abelianC22×C19

Subgroups

subgroupG/H
centerGC1
commutator, FrattiniC1G
LCSG ▷ C1
UCSC1 ◁ G

10 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 23
transitive degreeμt(G) = 76

A minimal faithful permutation representation — 2 generators on 23 points:

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

Conjugacy classes & character table

76 conjugacy classes — view the full character table.

Relationships

center ofC22⋊C4×C19, C4⋊C4×C19, C2×D4×C19, …
derived subgroup ofC22⋊(C19⋊C3), A4×D19, D19⋊A4, …
Fitting subgroup ofC2×Dic19, C22⋊D19, C22×D19, …
socle ofC2×Dic19, C2×C4×C19, C22×D19, …
maximal subgroup ofC2×Dic19, C22⋊D19, C2×C4×C19, …
maximal normal subgroup ofC2×Dic19, C22⋊D19, C2×C4×C19, …
maximal quotient ofC2×C4×C19, D4×C19, Q8×C19, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(76, 4);