Finite Group Databasebeta

C7⋊D7×D31⋊C5 #44477153

order30380
automorphism?
homologyAbelianization (H1) = C22×C5 · Schur multiplier (H2) = C2×C7

Aliases

direct productC7⋊D7×D31⋊C5
unambiguous semidirect productD31⋊(C5×C7⋊D7)
unambiguous semidirect product(C7×D31⋊C5)⋊D7
unambiguous semidirect product(D31×C7⋊D7)⋊C5

Splittings

Fitting, socle, derived, HallC72×C31 ⋊ C22×C5
HallC72×ΓL(1,𝔽32) ⋊ C22
HallD31×C7⋊D7 ⋊ C5
HallΓL(1,𝔽32) ⋊ C2×C7⋊D7
SylowC72 ⋊ C2×D31⋊C5
SylowC31 ⋊ C2×C5×C7⋊D7

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC72×C31C22×C5
LCSG ▷ C72×C31
UCSC1

200 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 45
transitive degreeμt(G) = 1519

A minimal faithful permutation representation — 3 generators on 45 points:

(8,9,11,13,14,12,10)(16,20,21,32,19,17,18,25,26,23)(22,37,38,39,24,28,29,41,43,31)(27,44,36,42,30,34,35,45,33,40);(2,3)(4,5)(6,7)(9,10)(11,12)(13,14)(15,16,19,24,26,33,43,37,21,27,36,44,38,40,28,20,18,22,30,41,35,45,34,25,29,39,42,32,31,23,17);(1,2,4,6,7,5,3)

Conjugacy classes & character table

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

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(30380, 62);