Finite Group Databasebeta

C7×C31⋊C9 #14519868

order1953
isoclinismisoclinic class of C31⋊C3
automorphism?
homologyAbelianization (H1) = C7×C9 · Schur multiplier (H2) = C1

Aliases

direct productC7×C31⋊C9
unambiguous semidirect productC31⋊(C7×C9)

Splittings

derived, SylowC31 ⋊ C7×C9
HallC7×C31 ⋊ C9

Subgroups

subgroupG/H
center, hypercenterC3×C7C31⋊C3
commutator, hypocenterC31C7×C9
FrattiniC3C7×C31⋊C3
Fitting, socle, prime radicalC3×C7×C31C3
cosocleC3×C31C3×C7
LCSG ▷ C31
UCSC1 ◁ C3×C7

12 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 47
transitive degreeμt(G) = 1953

A minimal faithful permutation representation — 2 generators on 47 points:

(1,2,3,4,5,6,7)(9,10,12)(11,14,19)(13,17,16)(15,21,28)(18,24,26)(20,22,23)(25,31,35)(27,32,33)(29,36,30)(34,37,38)(39,40,42,41,43,45,44,46,47);(8,9,11,15,22,12,16,23,30,36,19,26,33,21,29,28,35,38,31,14,20,27,34,37,24,10,13,18,25,32,17)

Conjugacy classes & character table

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

Relationships

maximal subgroup ofC7×D31⋊C9, D7×C31⋊C9, (C31⋊C9)⋊D7, …
maximal normal subgroup ofC7×D31⋊C9, D7×C31⋊C9, (C31⋊C9)⋊D7, …
maximal quotient ofC2×C7×C31⋊C9, C49×C31⋊C9, C72×C31⋊C9, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1953, 2);