Finite Group Databasebeta

D7×D17×C7⋊C9 #44472550

order29988
automorphism?
homologyAbelianization (H1) = C22×C9 · Schur multiplier (H2) = C2

Aliases

direct productD7×D17×C7⋊C9

Splittings

derived, HallC72×C17 ⋊ C22×C9
HallC7×C17×C7⋊C9 ⋊ C22
HallC7×D7×D17 ⋊ C9
HallC7×C7⋊C9 ⋊ C2×D17
SylowC72 ⋊ C2×C9×D17
SylowC17 ⋊ C2×D7×C7⋊C9

Subgroups

subgroupG/H
center, Frattini, hypercenterC3D7×ΓL(1,𝔽8)×D17
commutator, hypocenterC72×C17C22×C9
Fitting, socle, cosocleC3×C72×C17C22×C3
prime radicalC3×C7×D7×D17C3
LCSG ▷ C72×C17
UCSC1 ◁ C3

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

normal subgroups only

This group has 128 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) = 2142

Conjugacy classes & character table

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

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(29988, 191);