Finite Group Databasebeta

C2×D21⋊D7 #11924351

order1176
isoclinismisoclinic class of D21⋊D7
automorphism?
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C23

Aliases

direct productC2×D21⋊D7

Splittings

Fitting, socleC2×C3×C72 ⋊ C22
derived, HallC3×C72 ⋊ C23
SylowC72 ⋊ C22×D3
SylowC3 ⋊ C2×D72

Subgroups

subgroupG/H
center, hypercenterC2D21⋊D7
commutator, cosocle, hypocenterC3×C72C23
FrattiniC1G
Fitting, socleC2×C3×C72C22
LCSG ▷ C3×C72
UCSC1 ◁ C2

158 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 84

Conjugacy classes & character table

102 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#13183634, #72222113, #72222120, …
maximal normal subgroup ofC2×#13183634, #72222113, #72222120, …
maximal quotient of#72222120, D3×D21⋊D7, C2×C3×D21⋊D7, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1176, 266);