Finite Group Databasebeta
Cayley diagram

C7×D31 #89131

order434
isoclinismisoclinic class of D31
automorphism?
homologyAbelianization (H1) = C2×C7 · Schur multiplier (H2) = C1

Aliases

direct productC7×D31
unambiguous semidirect productC31⋊(C2×C7)

Splittings

Fitting, socle, HallC7×C31 ⋊ C2
derived, SylowC31 ⋊ C2×C7

Subgroups

subgroupG/H
center, hypercenterC7D31
commutator, cosocle, hypocenterC31C2×C7
FrattiniC1G
Fitting, socleC7×C31C2
LCSG ▷ C31
UCSC1 ◁ C7

8 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 38
transitive degreeμt(G) = 217

A minimal faithful permutation representation — 2 generators on 38 points:

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

Conjugacy classes & character table

119 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD7×D31, C2×C7×D31, C7×D31⋊C3, …
maximal normal subgroup ofD7×D31, C2×C7×D31, C7×D31⋊C3, …
maximal quotient ofC7×Dic31, C2×C7×D31, C3×C7×D31, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(434, 2);