Finite Group Databasebeta

(C7⋊C9)⋊Dic95 #37560914

order23940
automorphism?
homologyAbelianization (H1) = C4×C9 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect product(C7⋊C9)⋊Dic95

Splittings

derived, HallC5×C7×C19 ⋊ C4×C9
HallC5×C19×C7⋊C9 ⋊ C4
HallDic665 ⋊ C9
HallC19×C7⋊C9 ⋊ Dic5
HallC5×C7⋊C9 ⋊ Dic19
HallC7×C19 ⋊ C9×Dic5
HallC5×C19 ⋊ Dic7⋊C9
HallC7⋊C9 ⋊ Dic95
HallC5×C7 ⋊ C9×Dic19
SylowC19 ⋊ (C7⋊C9)⋊Dic5
SylowC7 ⋊ C9×Dic95
SylowC5 ⋊ (C7⋊C9)⋊Dic19

Subgroups

subgroupG/H
center, Frattini, hypercenterC2×C3C5⋊(ΓL(1,𝔽8)⋊D19)
commutator, hypocenterC5×C7×C19C4×C9
Fitting, socle, prime radical, cosocleC2×C3×C5×C7×C19C2×C3
LCSG ▷ C5×C7×C19
UCSC1 ◁ C2×C3

72 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 23940

Polycyclic presentation:

2,3,5,7,19,2,3|a^2=f,b^3=g,c^a=c^4,d^a=d^6,e^a=e^18,d^b=d^2

Conjugacy classes & character table

1452 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(23940, 46);