Finite Group Databasebeta

C2×D4×Dic19 #11927005

order1216
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C26

Aliases

direct productC2×D4×Dic19

Splittings

SylowC19 ⋊ C2×C4×D4

Subgroups

subgroupG/H
centerC23C22×D19
commutatorC2×C19C23×C4
FrattiniC22C23×D19
Fitting, prime radicalC22×D4×C19C2
socleC23×C19C23
cosocleC22×C19C24
hypercenterC22×D4D19
hypocenterC19C2×C4×D4
LCSG ▷ C2×C19 ▷ C19
UCSC1 ◁ C23 ◁ C22×D4

426 conjugacy classes of subgroups; only the 215 normal subgroups are shown.

normal subgroups only

This group has 426 conjugacy classes of subgroups — too many to draw. Only its 215 normal subgroups are shown.

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

Full subgroup data →

Presentation

transitive degreeμt(G) = 608

Conjugacy classes & character table

220 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#99×Dic19, #100×Dic19, #102×Dic19, …
maximal normal subgroup of#99×Dic19, #100×Dic19, #102×Dic19, …
maximal quotient ofC2×C22⋊C4×Dic19, C2×C4⋊C4×Dic19, C4×D4×Dic19, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1216, 1010);