Finite Group Databasebeta

D145⋊D21 #27131803

order12180
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productD145⋊D21

Splittings

Fitting, socle, derived, HallC3×C5×C7×C29 ⋊ C22
HallC5×C7×C29 ⋊ C2×D3
HallC3×C7×C29 ⋊ C2×D5
HallC3×C5×C29 ⋊ C2×D7
HallC7×C29 ⋊ D3×D5
HallC5×C29 ⋊ C2×D21
HallC3×C5×C7 ⋊ C2×D29
HallC3×C29 ⋊ D5×D7
HallC5×C7 ⋊ D3×D29
SylowC29 ⋊ D5×D21
HallC3×C7 ⋊ D5×D29
HallC3×C5 ⋊ D7×D29
SylowC7 ⋊ D15⋊D29
SylowC5 ⋊ D21×D29
SylowC3 ⋊ D35⋊D29

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, hypocenterC3×C5×C7×C29C22
LCSG ▷ C3×C5×C7×C29
UCSC1

80 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

2^2,3,5,7,29|d^a=d^4,f^a=f^28,c^b=c^2,d^b=d^4,e^b=e^6

Conjugacy classes & character table

804 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD145⋊D63, D145⋊(C3⋊AGL(1,𝔽7)), C3×D145⋊D21, …
maximal normal subgroup ofD145⋊(C3⋊AGL(1,𝔽7)), C3×D145⋊D21
maximal quotient ofD145⋊D63, C3×D145⋊D21, #49141618, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(12180, 138);