Finite Group Databasebeta
Cayley diagram

C2×C4×C19 #3891

order152
nilpotency class1
isoclinismisoclinic class of C1
automorphismAut(G) = C2×D4×C9 (order 144) · Inn(G) = C1 · Out(G) = C2×D4×C9
holomorphG ⋊ Aut(G) = B(4,𝔽2)×AGL(1,𝔽19)
homologyAbelianization (H1) = G · Schur multiplier (H2) = C2

Aliases

abelianC2×C4×C19

Subgroups

subgroupG/H
centerGC1
commutatorC1G
Frattini, cosocleC2C22×C19
socle, prime radicalC22×C19C2
LCSG ▷ C1
UCSC1 ◁ G

16 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 2 generators on 25 points:

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

Conjugacy classes & character table

152 conjugacy classes — view the full character table.

Relationships

center ofC19×#97, C19×C22⋊C8, C19×C4⋊C8, …
derived subgroup of#11926277, #11926278, #11926279, …
Fitting subgroup ofC2×C19⋊C8, #64520, C4×Dic19, …
maximal subgroup ofC2×C19⋊C8, #64520, C4×Dic19, …
maximal normal subgroup ofC2×C19⋊C8, #64520, C4×Dic19, …
maximal quotient ofC42×C19, C22⋊C4×C19, C4⋊C4×C19, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(152, 8);