Finite Group Databasebeta

C7×Dic705 #34089462

order19740
automorphism?
homologyAbelianization (H1) = C4×C7 · Schur multiplier (H2) = C1

Aliases

direct productC7×Dic705
unambiguous semidirect productC3⋊(C7×Dic235)
unambiguous semidirect productC47⋊(C7×Dic15)

Splittings

derived, HallC3×C5×C47 ⋊ C4×C7
HallC3×C5×C7×C47 ⋊ C4
HallC5×C7×C47 ⋊ Dic3
HallC3×C7×C47 ⋊ Dic5
HallC7×C47 ⋊ Dic15
HallC5×C47 ⋊ C7×Dic3
HallC3×C47 ⋊ C7×Dic5
HallC3×C5×C7 ⋊ Dic47
SylowC47 ⋊ C7×Dic15
HallC5×C7 ⋊ Dic141
HallC3×C7 ⋊ Dic235
HallC3×C5 ⋊ C7×Dic47
SylowC5 ⋊ C7×Dic141
SylowC3 ⋊ C7×Dic235

Subgroups

subgroupG/H
center, hypercenterC2×C7D705
commutator, hypocenterC3×C5×C47C4×C7
FrattiniC2C7×D705
Fitting, socle, prime radicalC2×C3×C5×C7×C47C2
cosocleC2×C3×C5×C47C2×C7
LCSG ▷ C3×C5×C47
UCSC1 ◁ C2×C7

48 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 19740

Conjugacy classes & character table

4956 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(19740, 15);