Finite Group Databasebeta

C17×AGL(1,𝔽7)×D21 #44472803

order29988
automorphism?
homologyAbelianization (H1) = C22×C3×C17 · Schur multiplier (H2) = C2

Aliases

direct productC17×AGL(1,𝔽7)×D21
unambiguous semidirect productD7⋊(C3×C17×D21)
unambiguous semidirect product(C3×AGL(1,𝔽7))⋊(D7×C17)
unambiguous semidirect product(C7×AGL(1,𝔽7))⋊(D3×C17)

Splittings

Fitting, socleC3×C72×C17 ⋊ C22×C3
derivedC3×C72 ⋊ C22×C3×C17
HallC3×C7×C17×ΓL(1,𝔽8) ⋊ C22
HallC72×C17 ⋊ C2×C3×D3
HallC3×C7×ΓL(1,𝔽8) ⋊ C22×C17
SylowC72 ⋊ C2×C3×D3×C17

Subgroups

subgroupG/H
center, hypercenterC17AGL(1,𝔽7)×D21
commutator, cosocle, hypocenterC3×C72C22×C3×C17
FrattiniC1G
Fitting, socleC3×C72×C17C22×C3
LCSG ▷ C3×C72
UCSC1 ◁ C17

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

normal subgroups only

This group has 184 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) = 2142

Conjugacy classes & character table

1428 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(29988, 444);