Finite Group Databasebeta

Dic21×C317 #40998422

order26628
automorphism?
homologyAbelianization (H1) = C4×C317 · Schur multiplier (H2) = C1

Aliases

direct productDic21×C317
unambiguous semidirect productC3⋊(Dic7×C317)
unambiguous semidirect productC7⋊(Dic3×C317)

Splittings

derived, HallC3×C7 ⋊ C4×C317
HallC3×C7×C317 ⋊ C4
HallC7×C317 ⋊ Dic3
HallC3×C317 ⋊ Dic7
SylowC7 ⋊ Dic3×C317
SylowC3 ⋊ Dic7×C317

Subgroups

subgroupG/H
center, hypercenterC2×C317D21
commutator, hypocenterC3×C7C4×C317
FrattiniC2D21×C317
Fitting, socle, prime radicalC2×C3×C7×C317C2
cosocleC2×C3×C7C2×C317
LCSG ▷ C3×C7
UCSC1 ◁ C2×C317

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 26628

Conjugacy classes & character table

7608 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(26628, 8);