Finite Group Databasebeta

C7×D237 #15693293

order3318
isoclinismisoclinic class of D237
automorphism?
homologyAbelianization (H1) = C2×C7 · Schur multiplier (H2) = C1

Aliases

direct productC7×D237
unambiguous semidirect productC3⋊(C7×D79)
unambiguous semidirect productC79⋊(D3×C7)

Splittings

Fitting, socle, HallC3×C7×C79 ⋊ C2
derived, HallC3×C79 ⋊ C2×C7
HallC7×C79 ⋊ D3
SylowC79 ⋊ D3×C7
HallC3×C7 ⋊ D79
SylowC3 ⋊ C7×D79

Subgroups

subgroupG/H
center, hypercenterC7D237
commutator, cosocle, hypocenterC3×C79C2×C7
FrattiniC1G
Fitting, socleC3×C7×C79C2
LCSG ▷ C3×C79
UCSC1 ◁ C7

16 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 89
transitive degreeμt(G) = 1659

A minimal faithful permutation representation — 2 generators on 89 points:

(1,2,3,4,5,6,7)(8,9,10)(11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89);(9,10)(12,89)(13,88)(14,87)(15,86)(16,85)(17,84)(18,83)(19,82)(20,81)(21,80)(22,79)(23,78)(24,77)(25,76)(26,75)(27,74)(28,73)(29,72)(30,71)(31,70)(32,69)(33,68)(34,67)(35,66)(36,65)(37,64)(38,63)(39,62)(40,61)(41,60)(42,59)(43,58)(44,57)(45,56)(46,55)(47,54)(48,53)(49,52)(50,51)

Conjugacy classes & character table

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

Relationships

maximal subgroup ofC5×C7×D237, C7×D1185, C49×D237, …
maximal normal subgroup ofC5×C7×D237, C49×D237, C72×D237, …
maximal quotient ofC5×C7×D237, C7×D1185, C49×D237, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(3318, 10);