Finite Group Databasebeta
Cayley diagram

C31⋊C3 #789

order93
isoclinismisoclinic class of C31⋊C3
automorphismAut(G) = AGL(1,𝔽31) (order 930) · Inn(G) = G · Out(G) = C2×C5
homologyAbelianization (H1) = C3 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect productC31⋊C3

Splittings

Fitting, socle, derived, SylowC31 ⋊ C3

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC31C3
LCSG ▷ C31
UCSC1

4 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 31
transitive degreeμt(G) = 31

A minimal faithful permutation representation — 2 generators on 31 points:

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

Polycyclic presentation:

3,31|b^a=b^25

Conjugacy classes & character table

13 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD31⋊C3, C2×C31⋊C3, C3×C31⋊C3, …
maximal normal subgroup ofD31⋊C3, C2×C31⋊C3, C3×C31⋊C3, …
maximal quotient ofC2×C31⋊C3, C31⋊C9, C3×C31⋊C3, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(93, 1);