Finite Group Databasebeta

C2×C7⋊C9×C149 #34037364

order18774
automorphism?
homologyAbelianization (H1) = C2×C9×C149 · Schur multiplier (H2) = C1

Aliases

direct productC2×C7⋊C9×C149
unambiguous semidirect product(C2×C7)⋊(C9×C149)
unambiguous semidirect product(C2×C7×C149)⋊C9

Splittings

derived, SylowC7 ⋊ C2×C9×C149
HallC2×C7×C149 ⋊ C9
HallC7×C149 ⋊ C2×C9
HallC2×C7 ⋊ C9×C149

Subgroups

subgroupG/H
center, hypercenterC2×C3×C149ΓL(1,𝔽8)
commutator, hypocenterC7C2×C9×C149
FrattiniC3C2×ΓL(1,𝔽8)×C149
Fitting, socle, prime radicalC2×C3×C7×C149C3
cosocleC3×C7C2×C3×C149
LCSG ▷ C7
UCSC1 ◁ C2×C3×C149

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 18774

Conjugacy classes & character table

4470 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofC4×C7⋊C9×C149, C7⋊C9×Dic149, C149×Dic7⋊C9, …
maximal normal subgroup ofC4×C7⋊C9×C149, C7⋊C9×Dic149, C149×Dic7⋊C9, …
maximal quotient ofC4×C7⋊C9×C149, C22×C7⋊C9×C149

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(18774, 2);