Finite Group Databasebeta

D95⋊D21 #22547731

order7980
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productD95⋊D21

Splittings

Fitting, socle, derived, HallC3×C5×C7×C19 ⋊ C22
HallC5×C7×C19 ⋊ C2×D3
HallC3×C7×C19 ⋊ C2×D5
HallC3×C5×C19 ⋊ C2×D7
HallC7×C19 ⋊ D3×D5
HallC3×C5×C7 ⋊ C2×D19
HallC5×C19 ⋊ C2×D21
HallC3×C19 ⋊ D5×D7
HallC5×C7 ⋊ D3×D19
HallC3×C7 ⋊ D5×D19
SylowC19 ⋊ D5×D21
HallC3×C5 ⋊ D7×D19
SylowC7 ⋊ D15⋊D19
SylowC5 ⋊ D19×D21
SylowC3 ⋊ D35⋊D19

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, hypocenterC3×C5×C7×C19C22
LCSG ▷ C3×C5×C7×C19
UCSC1

80 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

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

Conjugacy classes & character table

534 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD95⋊D63, #37561367, #37561368, …
maximal normal subgroup of#37561367, #37561368, #37561373, …
maximal quotient ofD95⋊D63, C3×D95⋊D21, #37561576, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(7980, 156);