Finite Group Databasebeta

C71×C3⋊Dic21 #31822052

order17892
isoclinismisoclinic class of C3⋊D21
automorphism?
homologyAbelianization (H1) = C4×C71 · Schur multiplier (H2) = C3

Aliases

direct productC71×C3⋊Dic21
unambiguous semidirect productC3⋊(C71×Dic21)
unambiguous semidirect productC7⋊(C3⋊Dic3×C71)

Splittings

derived, HallC32×C7 ⋊ C4×C71
HallC32×C7×C71 ⋊ C4
HallC32×C71 ⋊ Dic7
HallC7×C71 ⋊ C3⋊Dic3
SylowC32 ⋊ Dic7×C71
SylowC7 ⋊ C3⋊Dic3×C71

Subgroups

subgroupG/H
center, hypercenterC2×C71C3⋊D21
commutator, hypocenterC32×C7C4×C71
FrattiniC2C71×C3⋊D21
Fitting, socle, prime radicalC2×C32×C7×C71C2
cosocleC2×C32×C7C2×C71
LCSG ▷ C32×C7
UCSC1 ◁ C2×C71

72 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 17892

Conjugacy classes & character table

4686 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17892, 69);