Finite Group Databasebeta

D5×D23×C7⋊C9 #44394367

order28980
automorphism?
homologyAbelianization (H1) = C22×C9 · Schur multiplier (H2) = C2

Aliases

direct productD5×D23×C7⋊C9
unambiguous semidirect product(D5×C23)⋊(C2×C7⋊C9)
unambiguous semidirect product(C5×D23)⋊(C2×C7⋊C9)
unambiguous semidirect productD115⋊(C2×C7⋊C9)
unambiguous semidirect product(C7×D5×D23)⋊C9

Splittings

derived, HallC5×C7×C23 ⋊ C22×C9
HallC5×C23×C7⋊C9 ⋊ C22
HallC7×D5×D23 ⋊ C9
HallC23×C7⋊C9 ⋊ C2×D5
HallC5×C7⋊C9 ⋊ C2×D23
HallC7×C23 ⋊ C2×C9×D5
HallC5×C23 ⋊ C22×C7⋊C9
HallC5×C7 ⋊ C2×C9×D23
SylowC23 ⋊ C2×D5×C7⋊C9
SylowC7 ⋊ C9×D5×D23
SylowC5 ⋊ C2×D23×C7⋊C9

Subgroups

subgroupG/H
center, Frattini, hypercenterC3D5×ΓL(1,𝔽8)×D23
commutator, hypocenterC5×C7×C23C22×C9
Fitting, socle, cosocleC3×C5×C7×C23C22×C3
prime radicalC3×C7×D5×D23C3
LCSG ▷ C5×C7×C23
UCSC1 ◁ C3

120 conjugacy classes of subgroups; only the 50 normal subgroups are shown.

normal subgroups only

This group has 120 conjugacy classes of subgroups — too many to draw. Only its 50 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) = 7245

Conjugacy classes & character table

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

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(28980, 36);