Finite Group Databasebeta

C2×(C5⋊D5)⋊C9 #11744638

order900
isoclinismisoclinic class of (C5⋊D5)⋊C3
automorphism?
homologyAbelianization (H1) = C22×C9 · Schur multiplier (H2) = C2×C5

Aliases

direct productC2×(C5⋊D5)⋊C9
unambiguous semidirect product(C2×C5⋊D5)⋊C9

Splittings

derived, SylowC52 ⋊ C22×C9
HallC52⋊C9 ⋊ C22
HallC2×C5⋊D5 ⋊ C9

Subgroups

subgroupG/H
center, hypercenterC2×C3(C5⋊D5)⋊C3
commutator, hypocenterC52C22×C9
FrattiniC3C2×(C5⋊D5)⋊C3
Fitting, socleC2×C3×C52C2×C3
prime radicalC2×C3×C5⋊D5C3
cosocleC3×C52C22×C3
LCSG ▷ C52
UCSC1 ◁ C2×C3

50 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 90

Conjugacy classes & character table

60 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#14267937, #14267938, C4×(C5⋊D5)⋊C9, …
maximal normal subgroup of#14267937, #14267938, C4×(C5⋊D5)⋊C9, …
maximal quotient of#6045⋊C9, C4×(C5⋊D5)⋊C9, C4⋊((C5⋊D5)⋊C9), …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(900, 50);