Finite Group Databasebeta

Dic21×C227 #34040136

order19068
automorphism?
homologyAbelianization (H1) = C4×C227 · Schur multiplier (H2) = C1

Aliases

direct productDic21×C227
unambiguous semidirect productC3⋊(Dic7×C227)
unambiguous semidirect productC7⋊(Dic3×C227)

Splittings

derived, HallC3×C7 ⋊ C4×C227
HallC3×C7×C227 ⋊ C4
HallC7×C227 ⋊ Dic3
HallC3×C227 ⋊ Dic7
SylowC7 ⋊ Dic3×C227
SylowC3 ⋊ Dic7×C227

Subgroups

subgroupG/H
center, hypercenterC2×C227D21
commutator, hypocenterC3×C7C4×C227
FrattiniC2D21×C227
Fitting, socle, prime radicalC2×C3×C7×C227C2
cosocleC2×C3×C7C2×C227
LCSG ▷ C3×C7
UCSC1 ◁ C2×C227

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 19068

Conjugacy classes & character table

5448 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(19068, 8);