Finite Group Databasebeta

(C2×D439)⋊C4 #20296306

order7024
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect product(C2×D439)⋊C4

Splittings

FittingC2×C4×C439 ⋊ C2
SylowC439 ⋊ C22⋊C4

Subgroups

subgroupG/H
center, FrattiniC22C2×D439
commutatorC2×C439C2×C4
FittingC2×C4×C439C2
socleC22×C439C22
hypercenterC2×C4D439
hypocenterC439C22⋊C4
LCSG ▷ C2×C439 ▷ C439
UCSC1 ◁ C22 ◁ C2×C4

34 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

2^4,439|a^2=d,b^a=bc,e^b=e^438

Conjugacy classes & character table

1762 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofC22⋊C4×D439, C2×(C2×D439)⋊C4, #28380700, …
maximal normal subgroup ofC22⋊C4×D439, C2×(C2×D439)⋊C4, #28380700, …
maximal quotient ofC439⋊#95, (C2×D439)⋊C8, #28380657, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(7024, 17);