Finite Group Databasebeta

Dic21×C179 #28418698

order15036
isoclinismisoclinic class of D21
automorphism?
homologyAbelianization (H1) = C4×C179 · Schur multiplier (H2) = C1

Aliases

direct productDic21×C179
unambiguous semidirect productC3⋊(Dic7×C179)
unambiguous semidirect productC7⋊(Dic3×C179)

Splittings

derived, HallC3×C7 ⋊ C4×C179
HallC3×C7×C179 ⋊ C4
HallC7×C179 ⋊ Dic3
HallC3×C179 ⋊ Dic7
SylowC7 ⋊ Dic3×C179
SylowC3 ⋊ Dic7×C179

Subgroups

subgroupG/H
center, hypercenterC2×C179D21
commutator, hypocenterC3×C7C4×C179
FrattiniC2D21×C179
Fitting, socle, prime radicalC2×C3×C7×C179C2
cosocleC2×C3×C7C2×C179
LCSG ▷ C3×C7
UCSC1 ◁ C2×C179

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 15036

Conjugacy classes & character table

4296 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(15036, 8);