Finite Group Databasebeta

D7⋊C9×C11⋊D11 #44478922

order30492
automorphism?
homologyAbelianization (H1) = C22×C9 · Schur multiplier (H2) = C2×C11

Aliases

direct productD7⋊C9×C11⋊D11
unambiguous semidirect productD7⋊(C9×C11⋊D11)
unambiguous semidirect product(C11×D7⋊C9)⋊D11

Splittings

derived, HallC7×C112 ⋊ C22×C9
HallC112×C7⋊C9 ⋊ C22
HallD7×C11⋊D11 ⋊ C9
SylowC112 ⋊ C2×D7⋊C9
HallC7⋊C9 ⋊ C2×C11⋊D11
SylowC7 ⋊ C2×C9×C11⋊D11

Subgroups

subgroupG/H
center, Frattini, hypercenterC3AGL(1,𝔽7)×C11⋊D11
commutator, hypocenterC7×C112C22×C9
Fitting, socle, cosocleC3×C7×C112C22×C3
prime radicalC3×D7×C11⋊D11C3
LCSG ▷ C7×C112
UCSC1 ◁ C3

420 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 38
transitive degreeμt(G) = 7623

A minimal faithful permutation representation — 3 generators on 38 points:

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

Conjugacy classes & character table

1302 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(30492, 145);