Finite Group Databasebeta

C7×D213 #15688397

order2982
isoclinismisoclinic class of D213
automorphism?
homologyAbelianization (H1) = C2×C7 · Schur multiplier (H2) = C1

Aliases

direct productC7×D213
unambiguous semidirect productC3⋊(C7×D71)

Splittings

Fitting, socle, HallC3×C7×C71 ⋊ C2
derived, HallC3×C71 ⋊ C2×C7
HallC7×C71 ⋊ D3
SylowC71 ⋊ D3×C7
HallC3×C7 ⋊ D71
SylowC3 ⋊ C7×D71

Subgroups

subgroupG/H
center, hypercenterC7D213
commutator, cosocle, hypocenterC3×C71C2×C7
FrattiniC1G
Fitting, socleC3×C7×C71C2
LCSG ▷ C3×C71
UCSC1 ◁ C7

16 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 81
transitive degreeμt(G) = 1491

A minimal faithful permutation representation — 2 generators on 81 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);(9,10)(12,81)(13,80)(14,79)(15,78)(16,77)(17,76)(18,75)(19,74)(20,73)(21,72)(22,71)(23,70)(24,69)(25,68)(26,67)(27,66)(28,65)(29,64)(30,63)(31,62)(32,61)(33,60)(34,59)(35,58)(36,57)(37,56)(38,55)(39,54)(40,53)(41,52)(42,51)(43,50)(44,49)(45,48)(46,47)

Conjugacy classes & character table

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

Relationships

maximal subgroup ofC5×C7×D213, C7×D1065, C7×C3⋊(D71⋊C5), …
maximal normal subgroup ofC5×C7×D213, C7×C3⋊(D71⋊C5), C49×D213, …
maximal quotient ofC5×C7×D213, C7×D1065, C49×D213, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(2982, 8);