Finite Group Databasebeta

C7⋊D7×AGL(1,𝔽19) #45692097

order33516
automorphism?
homologyAbelianization (H1) = C22×C9 · Schur multiplier (H2) = C2×C7

Aliases

direct productC7⋊D7×AGL(1,𝔽19)
unambiguous semidirect product(C7×AGL(1,𝔽19))⋊D7

Splittings

Fitting, socle, derived, HallC72×C19 ⋊ C22×C9
HallC72×#4296 ⋊ C22
HallD19×C7⋊D7 ⋊ C9
Hall#4296 ⋊ C2×C7⋊D7
SylowC72 ⋊ C2×AGL(1,𝔽19)
SylowC19 ⋊ C2×C9×C7⋊D7

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, hypocenterC72×C19C22×C9
prime radicalC7⋊D7×D19⋊C3C3
cosocleC72×C19⋊C3C22×C3
LCSG ▷ C72×C19
UCSC1

300 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 33
transitive degreeμt(G) = 931

A minimal faithful permutation representation — 3 generators on 33 points:

(8,9,11,13,14,12,10)(16,27,28,21,30,26,24,20,29,17,23,33,19,31,22,25,18,32);(2,3)(4,5)(6,7)(9,10)(11,12)(13,14)(15,16,20,27,22,30,29,24,21,28,33,19,25,32,31,26,23,18,17);(1,2,4,6,7,5,3)

Conjugacy classes & character table

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

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(33516, 895);