Finite Group Databasebeta

C7×Dic657 #32913692

order18396
automorphism?
homologyAbelianization (H1) = C4×C7 · Schur multiplier (H2) = C1

Aliases

direct productC7×Dic657
unambiguous semidirect productC9⋊(C7×Dic73)

Splittings

derived, HallC9×C73 ⋊ C4×C7
HallC7×C9×C73 ⋊ C4
HallC7×C73 ⋊ Dic9
SylowC73 ⋊ C7×Dic9
HallC7×C9 ⋊ Dic73
SylowC9 ⋊ C7×Dic73

Subgroups

subgroupG/H
center, hypercenterC2×C7D657
commutator, hypocenterC9×C73C4×C7
FrattiniC2×C3C7×D219
FittingC2×C7×C9×C73C2
socle, prime radicalC2×C3×C7×C73D3
cosocleC2×C9×C73C2×C7
LCSG ▷ C9×C73
UCSC1 ◁ C2×C7

36 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 18396

Conjugacy classes & character table

4620 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(18396, 10);