Finite Group Databasebeta

Dic21×C223 #34035425

order18732
automorphism?
homologyAbelianization (H1) = C4×C223 · Schur multiplier (H2) = C1

Aliases

direct productDic21×C223
unambiguous semidirect productC3⋊(Dic7×C223)
unambiguous semidirect productC7⋊(Dic3×C223)

Splittings

derived, HallC3×C7 ⋊ C4×C223
HallC3×C7×C223 ⋊ C4
HallC7×C223 ⋊ Dic3
HallC3×C223 ⋊ Dic7
SylowC7 ⋊ Dic3×C223
SylowC3 ⋊ Dic7×C223

Subgroups

subgroupG/H
center, hypercenterC2×C223D21
commutator, hypocenterC3×C7C4×C223
FrattiniC2D21×C223
Fitting, socle, prime radicalC2×C3×C7×C223C2
cosocleC2×C3×C7C2×C223
LCSG ▷ C3×C7
UCSC1 ◁ C2×C223

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 18732

Conjugacy classes & character table

5352 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(18732, 11);