Finite Group Databasebeta

C5×D5×#4294⋊C2 #30685536

order17100
automorphism?
homologyAbelianization (H1) = C22×C5×C9 · Schur multiplier (H2) = C2

Aliases

direct productC5×D5×#4294⋊C2
unambiguous semidirect product(C5×#4294⋊C2)⋊(C2×C5)
unambiguous semidirect product(D5×#4294)⋊(C2×C5)
unambiguous semidirect product(C5⋊(#4294⋊C2))⋊(C2×C5)

Splittings

derivedC5×C19 ⋊ C22×C5×C9
HallC52×#4294 ⋊ C22
HallC5×D5×D19 ⋊ C9
HallC52×C19 ⋊ C22×C9
Hall#4294 ⋊ C2×C5×D5
SylowC52 ⋊ C2×#4294⋊C2
SylowC19 ⋊ C2×C5×C9×D5

Subgroups

subgroupG/H
center, hypercenterC3×C5D5×D19⋊C3
commutator, hypocenterC5×C19C22×C5×C9
FrattiniC3C5×D5×D19⋊C3
Fitting, socleC3×C52×C19C22×C3
prime radicalC3×C5×D5×D19C3
cosocleC3×C5×C19C22×C3×C5
LCSG ▷ C5×C19
UCSC1 ◁ C3×C5

144 conjugacy classes of subgroups; only the 54 normal subgroups are shown.

normal subgroups only

This group has 144 conjugacy classes of subgroups — too many to draw. Only its 54 normal subgroups are shown.

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

Full subgroup data →

Presentation

transitive degreeμt(G) = 1710

Conjugacy classes & character table

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

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17100, 173);