Finite Group Databasebeta

C4×C4⋊Dic21 #13056569

order1344
isoclinismisoclinic class of Dic42
automorphism?
homologyAbelianization (H1) = C2×C42 · Schur multiplier (H2) = C22×C4

Aliases

direct productC4×C4⋊Dic21

Splittings

HallC3×C7 ⋊ C4×C4⋊C4
SylowC7 ⋊ C4×C4⋊Dic3
SylowC3 ⋊ C4×C4⋊Dic7

Subgroups

subgroupG/H
centerC22×C4C2×D21
commutatorC2×C3×C7C2×C42
FrattiniC23C22×D21
FittingC2×C3×C42×C7C2
socle, prime radical, cosocleC23×C3×C7C23
hypercenterC2×C42D21
hypocenterC3×C7C4×C4⋊C4
LCSG ▷ C2×C3×C7 ▷ C3×C7
UCSC1 ◁ C22×C4 ◁ C2×C42

388 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 1344

Conjugacy classes & character table

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

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1344, 5858);