Finite Group Databasebeta
Cayley diagram

C31⋊C16 #92466

order496
isoclinismisoclinic class of D31
automorphism?
homologyAbelianization (H1) = C16 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect productC31⋊C16

Splittings

derived, SylowC31 ⋊ C16

Subgroups

subgroupG/H
center, Frattini, hypercenterC8D31
commutator, hypocenterC31C16
Fitting, cosocleC8×C31C2
socle, prime radicalC2×C31C8
LCSG ▷ C31
UCSC1 ◁ C8

10 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 47
transitive degreeμt(G) = 496

A minimal faithful permutation representation — 2 generators on 47 points:

(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)(32,33,34,37,35,38,40,43,36,39,41,44,42,45,46,47);(1,2,4,6,8,10,12,14,16,18,20,22,24,26,28,30,31,29,27,25,23,21,19,17,15,13,11,9,7,5,3)

Polycyclic presentation:

2^4,31|a^2=b,b^2=c,c^2=d,e^a=e^30

Conjugacy classes & character table

136 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC16×D31, #11758386, C2×C31⋊C16, …
maximal normal subgroup ofC16×D31, #11758386, C2×C31⋊C16, …
maximal quotient ofC31⋊C32, C2×C31⋊C16, C3×C31⋊C16, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(496, 1);