Finite Group Databasebeta

C7×D145 #14523202

order2030
isoclinismisoclinic class of D145
automorphism?
homologyAbelianization (H1) = C2×C7 · Schur multiplier (H2) = C1

Aliases

direct productC7×D145
unambiguous semidirect productC5⋊(C7×D29)

Splittings

Fitting, socle, HallC5×C7×C29 ⋊ C2
derived, HallC5×C29 ⋊ C2×C7
HallC7×C29 ⋊ D5
HallC5×C7 ⋊ D29
SylowC29 ⋊ C7×D5
SylowC5 ⋊ C7×D29

Subgroups

subgroupG/H
center, hypercenterC7D145
commutator, cosocle, hypocenterC5×C29C2×C7
FrattiniC1G
Fitting, socleC5×C7×C29C2
LCSG ▷ C5×C29
UCSC1 ◁ C7

16 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 41
transitive degreeμt(G) = 1015

A minimal faithful permutation representation — 2 generators on 41 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);(9,12)(10,11)(14,41)(15,40)(16,39)(17,38)(18,37)(19,36)(20,35)(21,34)(22,33)(23,32)(24,31)(25,30)(26,29)(27,28)

Conjugacy classes & character table

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

Relationships

maximal subgroup ofC7×#10596814, C7×#10596815, C7⋊#10596814, …
maximal normal subgroup ofC7×#10596814, C7×#10596815, C7⋊#10596814, …
maximal quotient ofC7×Dic145, C2×C7×D145, C49×D145, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(2030, 7);