Finite Group Databasebeta
Cayley diagram

C42×C19 #64530

order304
nilpotency class1
isoclinismisoclinic class of C1
automorphismAut(G) = C2×C9×GL(2,ℤ/4) (order 1728) · Inn(G) = C1 · Out(G) = C2×C9×GL(2,ℤ/4)
homologyAbelianization (H1) = G · Schur multiplier (H2) = C4

Aliases

abelianC42×C19

Subgroups

subgroupG/H
centerGC1
commutatorC1G
Frattini, cosocleC22C22×C19
socle, prime radicalC22×C19C22
LCSG ▷ C1
UCSC1 ◁ G

30 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 27
transitive degreeμt(G) = 304

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

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

Conjugacy classes & character table

304 conjugacy classes. The character table is too large to display.

Relationships

center ofC19×#322, C4×M16×C19, C19×#431, …
derived subgroup ofC42⋊(C19⋊C3), D19×C42⋊C3, #14269146, …
Fitting subgroup ofC4×C19⋊C8, #10597260, C4⋊(C19⋊C8), …
maximal subgroup ofC4×C19⋊C8, #10597260, C4⋊(C19⋊C8), …
maximal normal subgroup ofC4×C19⋊C8, #10597260, C4⋊(C19⋊C8), …
maximal quotient ofC19×#95, C4×C8×C19, C19×#97, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(304, 19);