Finite Group Databasebeta

Dic21×C337 #43246716

order28308
automorphism?
homologyAbelianization (H1) = C4×C337 · Schur multiplier (H2) = C1

Aliases

direct productDic21×C337
unambiguous semidirect productC3⋊(Dic7×C337)
unambiguous semidirect productC7⋊(Dic3×C337)

Splittings

derived, HallC3×C7 ⋊ C4×C337
HallC3×C7×C337 ⋊ C4
HallC7×C337 ⋊ Dic3
HallC3×C337 ⋊ Dic7
SylowC7 ⋊ Dic3×C337
SylowC3 ⋊ Dic7×C337

Subgroups

subgroupG/H
center, hypercenterC2×C337D21
commutator, hypocenterC3×C7C4×C337
FrattiniC2D21×C337
Fitting, socle, prime radicalC2×C3×C7×C337C2
cosocleC2×C3×C7C2×C337
LCSG ▷ C3×C7
UCSC1 ◁ C2×C337

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 28308

Conjugacy classes & character table

8088 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(28308, 13);