Finite Group Databasebeta

C2×C4×D4×C19 #11926191

order1216
nilpotency class2
isoclinismisoclinic class of D4
automorphism?
homologyAbelianization (H1) = C23×C4×C19 · Schur multiplier (H2) = C26

Aliases

direct productC2×C4×D4×C19

Subgroups

subgroupG/H
centerC22×C4×C19C22
commutatorC2C23×C4×C19
Frattini, cosocleC22C24×C19
socleC23×C19C23
prime radicalC22×D4×C19C2
LCSG ▷ C2 ▷ C1
UCSC1 ◁ C22×C4×C19 ◁ G

426 conjugacy classes of subgroups; only the 274 normal subgroups are shown.

normal subgroups only

This group has 426 conjugacy classes of subgroups — too many to draw. Only its 274 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 29
transitive degreeμt(G) = 608

A minimal faithful permutation representation — 4 generators on 29 points:

(1,2)(11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29);(3,4,5,6);(7,8,9,10);(8,10)

Conjugacy classes & character table

760 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#14561953, #14561956, #14561973, …
maximal subgroup ofC19×#1459, C19×#1460, C19×#1465, …
maximal normal subgroup ofC19×#1459, C19×#1460, C19×#1465, …
maximal quotient ofC2×C4×C22⋊C4×C19, C2×C4×C4⋊C4×C19, C42×D4×C19, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1216, 196);