Finite Group Databasebeta

Dic21×C439 #49146181

order36876
automorphism?
homologyAbelianization (H1) = C4×C439 · Schur multiplier (H2) = C1

Aliases

direct productDic21×C439
unambiguous semidirect productC3⋊(Dic7×C439)
unambiguous semidirect productC7⋊(Dic3×C439)

Splittings

derived, HallC3×C7 ⋊ C4×C439
HallC3×C7×C439 ⋊ C4
HallC7×C439 ⋊ Dic3
HallC3×C439 ⋊ Dic7
SylowC7 ⋊ Dic3×C439
SylowC3 ⋊ Dic7×C439

Subgroups

subgroupG/H
center, hypercenterC2×C439D21
commutator, hypocenterC3×C7C4×C439
FrattiniC2D21×C439
Fitting, socle, prime radicalC2×C3×C7×C439C2
cosocleC2×C3×C7C2×C439
LCSG ▷ C3×C7
UCSC1 ◁ C2×C439

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 36876

Conjugacy classes & character table

10536 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(36876, 11);