Finite Group Databasebeta

Dic21×C173 #28409885

order14532
isoclinismisoclinic class of D21
automorphism?
homologyAbelianization (H1) = C4×C173 · Schur multiplier (H2) = C1

Aliases

direct productDic21×C173
unambiguous semidirect productC3⋊(Dic7×C173)
unambiguous semidirect productC7⋊(Dic3×C173)

Splittings

derived, HallC3×C7 ⋊ C4×C173
HallC3×C7×C173 ⋊ C4
HallC7×C173 ⋊ Dic3
HallC3×C173 ⋊ Dic7
SylowC7 ⋊ Dic3×C173
SylowC3 ⋊ Dic7×C173

Subgroups

subgroupG/H
center, hypercenterC2×C173D21
commutator, hypocenterC3×C7C4×C173
FrattiniC2D21×C173
Fitting, socle, prime radicalC2×C3×C7×C173C2
cosocleC2×C3×C7C2×C173
LCSG ▷ C3×C7
UCSC1 ◁ C2×C173

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 14532

Conjugacy classes & character table

4152 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(14532, 8);