Finite Group Databasebeta

C7×Dic669 #34035424

order18732
automorphism?
homologyAbelianization (H1) = C4×C7 · Schur multiplier (H2) = C1

Aliases

direct productC7×Dic669
unambiguous semidirect productC3⋊(C7×Dic223)
unambiguous semidirect productC223⋊(C7×Dic3)

Splittings

derived, HallC3×C223 ⋊ C4×C7
HallC3×C7×C223 ⋊ C4
HallC7×C223 ⋊ Dic3
SylowC223 ⋊ C7×Dic3
HallC3×C7 ⋊ Dic223
SylowC3 ⋊ C7×Dic223

Subgroups

subgroupG/H
center, hypercenterC2×C7D669
commutator, hypocenterC3×C223C4×C7
FrattiniC2C7×D669
Fitting, socle, prime radicalC2×C3×C7×C223C2
cosocleC2×C3×C223C2×C7
LCSG ▷ C3×C223
UCSC1 ◁ C2×C7

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 18732

Conjugacy classes & character table

4704 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(18732, 10);