Finite Group Databasebeta

Dic21×C409 #46805262

order34356
automorphism?
homologyAbelianization (H1) = C4×C409 · Schur multiplier (H2) = C1

Aliases

direct productDic21×C409
unambiguous semidirect productC3⋊(Dic7×C409)
unambiguous semidirect productC7⋊(Dic3×C409)

Splittings

derived, HallC3×C7 ⋊ C4×C409
HallC3×C7×C409 ⋊ C4
HallC7×C409 ⋊ Dic3
HallC3×C409 ⋊ Dic7
SylowC7 ⋊ Dic3×C409
SylowC3 ⋊ Dic7×C409

Subgroups

subgroupG/H
center, hypercenterC2×C409D21
commutator, hypocenterC3×C7C4×C409
FrattiniC2D21×C409
Fitting, socle, prime radicalC2×C3×C7×C409C2
cosocleC2×C3×C7C2×C409
LCSG ▷ C3×C7
UCSC1 ◁ C2×C409

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 34356

Conjugacy classes & character table

9816 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(34356, 11);