Finite Group Databasebeta

C71×Dic7⋊C9 #31821998

order17892
isoclinismisoclinic class of AGL(1,𝔽7)
automorphism?
homologyAbelianization (H1) = C4×C9×C71 · Schur multiplier (H2) = C1

Aliases

direct productC71×Dic7⋊C9
unambiguous semidirect productDic7⋊(C9×C71)
unambiguous semidirect product(C7⋊C9)⋊(C4×C71)
unambiguous semidirect product(Dic7×C71)⋊C9

Splittings

derived, SylowC7 ⋊ C4×C9×C71
HallC7⋊C9×C71 ⋊ C4
HallDic7×C71 ⋊ C9
HallC7×C71 ⋊ C4×C9
HallC7⋊C9 ⋊ C4×C71
HallDic7 ⋊ C9×C71

Subgroups

subgroupG/H
center, hypercenterC2×C3×C71AGL(1,𝔽7)
commutator, hypocenterC7C4×C9×C71
FrattiniC2×C3AGL(1,𝔽7)×C71
Fitting, socle, prime radicalC2×C3×C7×C71C2×C3
cosocleC2×C3×C7C2×C3×C71
LCSG ▷ C7
UCSC1 ◁ C2×C3×C71

36 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 17892

Conjugacy classes & character table

2982 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17892, 15);