Finite Group Databasebeta

C3×ΓL(1,𝔽8)⋊#66774 #36339344

order21420
automorphism?
homologyAbelianization (H1) = C32×C4 · Schur multiplier (H2) = C3

Aliases

direct productC3×ΓL(1,𝔽8)⋊#66774
unambiguous semidirect productΓL(1,𝔽8)⋊(C3×#66774)
unambiguous semidirect product(C7⋊#66774)⋊C32
unambiguous semidirect product(C3×C7⋊#66774)⋊C3

Splittings

Fitting, socleC3×C5×C7×C17 ⋊ C3×C4
derived, HallC5×C7×C17 ⋊ C32×C4
HallC3×C5×C17×ΓL(1,𝔽8) ⋊ C4
HallC7⋊#66774 ⋊ C32
HallC3×C17×ΓL(1,𝔽8) ⋊ AGL(1,𝔽5)
HallC3×C5×ΓL(1,𝔽8) ⋊ Dic17
HallC7×C17 ⋊ C32×AGL(1,𝔽5)
HallC5×C17 ⋊ C3×ΓL(1,𝔽8)⋊C4
HallC3×ΓL(1,𝔽8) ⋊ #66774
HallC5×C7 ⋊ C32×Dic17
SylowC17 ⋊ C3×ΓL(1,𝔽8)⋊AGL(1,𝔽5)
SylowC7 ⋊ C32×#66774
SylowC5 ⋊ C3×ΓL(1,𝔽8)⋊Dic17

Subgroups

subgroupG/H
center, hypercenterC3ΓL(1,𝔽8)⋊#66774
commutator, hypocenterC5×C7×C17C32×C4
FrattiniC1G
Fitting, socleC3×C5×C7×C17C3×C4
prime radicalC3×D5×C17×ΓL(1,𝔽8)C2
cosocleC7×D5×C17C2×C32
LCSG ▷ C5×C7×C17
UCSC1 ◁ C3

144 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 1785

Conjugacy classes & character table

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

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(21420, 176);