Finite Group Databasebeta

C31×D39 #14559018

order2418
isoclinismisoclinic class of D39
automorphism?
homologyAbelianization (H1) = C2×C31 · Schur multiplier (H2) = C1

Aliases

direct productC31×D39
unambiguous semidirect productC3⋊(D13×C31)
unambiguous semidirect productC13⋊(D3×C31)

Splittings

Fitting, socle, HallC3×C13×C31 ⋊ C2
derived, HallC3×C13 ⋊ C2×C31
HallC13×C31 ⋊ D3
HallC3×C31 ⋊ D13
SylowC13 ⋊ D3×C31
SylowC3 ⋊ D13×C31

Subgroups

subgroupG/H
center, hypercenterC31D39
commutator, cosocle, hypocenterC3×C13C2×C31
FrattiniC1G
Fitting, socleC3×C13×C31C2
LCSG ▷ C3×C13
UCSC1 ◁ C31

16 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 47
transitive degreeμt(G) = 1209

A minimal faithful permutation representation — 2 generators on 47 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);(33,34)(36,47)(37,46)(38,45)(39,44)(40,43)(41,42)

Conjugacy classes & character table

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

Relationships

maximal subgroup ofD31×D39, D3×D13×C31, D39⋊D31, …
maximal normal subgroup ofD31×D39, D3×D13×C31, D39⋊D31, …
maximal quotient ofC31×Dic39, C2×C31×D39, C5×C31×D39, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(2418, 11);