Finite Group Databasebeta
Cayley diagram

C2×C31⋊C8 #92473

order496
isoclinismisoclinic class of D31
automorphism?
homologyAbelianization (H1) = C2×C8 · Schur multiplier (H2) = C2

Aliases

direct productC2×C31⋊C8
unambiguous semidirect product(C2×C31)⋊C8

Splittings

derived, SylowC31 ⋊ C2×C8

Subgroups

subgroupG/H
center, hypercenterC2×C4D31
commutator, hypocenterC31C2×C8
FrattiniC4C2×D31
FittingC2×C4×C31C2
socle, prime radicalC22×C31C4
cosocleC4×C31C22
LCSG ▷ C31
UCSC1 ◁ C2×C4

22 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 41
transitive degreeμt(G) = 496

A minimal faithful permutation representation — 2 generators on 41 points:

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

Conjugacy classes & character table

136 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×C31⋊C8, #11758391, C4⋊(C31⋊C8), …
maximal normal subgroup ofC4×C31⋊C8, #11758391, C4⋊(C31⋊C8), …
maximal quotient ofC4×C31⋊C8, C4⋊(C31⋊C8), C2×C31⋊C16, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(496, 8);