Finite Group Databasebeta

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C2×C5×C9×D155 #42124590

order27900
isoclinismisoclinic class of D155
automorphism?
homologyAbelianization (H1) = C22×C5×C9 · Schur multiplier (H2) = C2

Aliases

direct productC2×C5×C9×D155
unambiguous semidirect product(C2×C5)⋊(C5×C9×D31)

Splittings

FittingC2×C52×C9×C31 ⋊ C2
derivedC5×C31 ⋊ C22×C5×C9
HallC52×C9×C31 ⋊ C22
HallC52×C31 ⋊ C22×C9
HallC9×C31 ⋊ C2×C5×D5
HallC52×C9 ⋊ C2×D31
SylowC31 ⋊ C2×C5×C9×D5
SylowC52 ⋊ C2×C9×D31

Subgroups

subgroupG/H
center, hypercenterC2×C5×C9D155
commutator, hypocenterC5×C31C22×C5×C9
FrattiniC3C2×C3×C5×D155
FittingC2×C52×C9×C31C2
socleC2×C3×C52×C31C2×C3
prime radicalC2×C3×C5×D155C3
cosocleC3×C5×C31C22×C3×C5
LCSG ▷ C5×C31
UCSC1 ◁ C2×C5×C9

144 conjugacy classes of subgroups; only the 66 normal subgroups are shown.

normal subgroups only

This group has 144 conjugacy classes of subgroups — too many to draw. Only its 66 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Conjugacy classes & character table

7110 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(27900, 337);