Finite Group Databasebeta

C2×D7×3−1+2 #10625489

order756
automorphism?
homologyAbelianization (H1) = C22×C32 · Schur multiplier (H2) = C2

Aliases

direct productC2×D7×3−1+2

Splittings

FittingC2×C7×3−1+2 ⋊ C2
HallC7×3−1+2 ⋊ C22
SylowC7 ⋊ C22×3−1+2

Subgroups

subgroupG/H
centerC2×C3C32×D7
commutator, cosocleC3×C7C22×C32
FrattiniC3C2×C32×D7
FittingC2×C7×3−1+2C2
socleC2×C3×C7C2×C32
prime radicalC2×C32×D7C3
hypercenterC2×3−1+2D7
hypocenterC7C22×3−1+2
LCSG ▷ C3×C7 ▷ C7
UCSC1 ◁ C2×C3 ◁ C2×3−1+2

80 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 126

Conjugacy classes & character table

110 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD7×3−1+2⋊C4, #13094352, #13094353, …
maximal normal subgroup ofD7×3−1+2⋊C4, #13094352, #13094353, …
maximal quotient of3−1+2×Dic14, C4×D7×3−1+2, 3−1+2×D28, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(756, 120);