Finite Group Databasebeta
Cayley diagram

C2×D4×C19 #64549

order304
nilpotency class2
isoclinismisoclinic class of D4
automorphismAut(G) = C2×C9×B(4,𝔽2) (order 1152) · Inn(G) = C22 · Out(G) = C22×D4×C9
homologyAbelianization (H1) = C23×C19 · Schur multiplier (H2) = C23

Aliases

direct productC2×D4×C19
unambiguous semidirect productC4⋊(C22×C19)
unambiguous semidirect productC22⋊(C22×C19)
unambiguous semidirect productC23⋊(C2×C19)

Subgroups

subgroupG/H
center, socleC22×C19C22
commutator, Frattini, cosocleC2C23×C19
LCSG ▷ C2 ▷ C1
UCSC1 ◁ C22×C19 ◁ G

54 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 25
transitive degreeμt(G) = 152

A minimal faithful permutation representation — 3 generators on 25 points:

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

Conjugacy classes & character table

190 conjugacy classes — view the full character table.

Relationships

derived subgroup of#14561779, #14561780, #14561781, …
Fitting subgroup of#10597289, #10597290, #10597291, …
maximal subgroup of#10597289, #10597290, #10597291, …
maximal normal subgroup of#10597289, #10597290, #10597291, …
maximal quotient ofC2×C22⋊C4×C19, C2×C4⋊C4×C19, C4×D4×C19, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(304, 38);