Finite Group Databasebeta

D21×C167 #20296252

order7014
isoclinismisoclinic class of D21
automorphism?
homologyAbelianization (H1) = C2×C167 · Schur multiplier (H2) = C1

Aliases

direct productD21×C167
unambiguous semidirect productC3⋊(D7×C167)
unambiguous semidirect productC7⋊(D3×C167)

Splittings

Fitting, socle, HallC3×C7×C167 ⋊ C2
derived, HallC3×C7 ⋊ C2×C167
HallC7×C167 ⋊ D3
HallC3×C167 ⋊ D7
SylowC7 ⋊ D3×C167
SylowC3 ⋊ D7×C167

Subgroups

subgroupG/H
center, hypercenterC167D21
commutator, hypocenterC3×C7C2×C167
FrattiniC1G
Fitting, socleC3×C7×C167C2
LCSG ▷ C3×C7
UCSC1 ◁ C167

16 conjugacy classes of subgroups.

Full subgroup data →

Conjugacy classes & character table

2004 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD21×D167, D3×D7×C167, D21⋊D167, …
maximal normal subgroup ofD21×D167, D3×D7×C167, D21⋊D167, …
maximal quotient ofDic21×C167, C2×D21×C167, D63×C167, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(7014, 8);