Finite Group Databasebeta

D21×#87705 #30660860

order16758
automorphism?
homologyAbelianization (H1) = C2×C3 · Schur multiplier (H2) = C1

Aliases

direct productD21×#87705
unambiguous semidirect productC3⋊(D7×#87705)

Splittings

Fitting, socle, derivedC3×C72×C19 ⋊ C2×C3
HallC3×C7×#87705 ⋊ C2
HallC72×C19 ⋊ C3×D3
SylowC72 ⋊ D3×C19⋊C3
SylowC19 ⋊ ΓL(1,𝔽8)×D21

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC3×C72×C19C2×C3
LCSG ▷ C3×C72×C19
UCSC1

76 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 2394

Conjugacy classes & character table

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

Relationships

maximal subgroup ofD21×#11716328, D21×#11716326, #45692346, …
maximal normal subgroup ofD21×#11716328, D21×#11716326, #45692346, …
maximal quotient ofDic21×#87705, C2×D21×#87705

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16758, 387);