Finite Group Databasebeta

C31×#2255 #16842188

order3968
nilpotency class4
isoclinismisoclinic class of #2218
automorphism?
homologyAbelianization (H1) = C23×C31 · Schur multiplier (H2) = C2

Aliases

direct productC31×#2255

Subgroups

subgroupG/H
center, socle, prime radicalC22×C31C2×D8
commutator, Frattini, cosocleC2×C8C23×C31
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C31 ◁ C42×C31 ◁ C4×C8×C31 ◁ G

120 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 55
transitive degreeμt(G) = 3968

A minimal faithful permutation representation — 3 generators on 55 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)(32,33,35,37)(34,38,39,36)(41,45)(42,47)(43,49)(46,51)(48,55)(50,54)(52,53);(32,34,35,39)(33,36,37,38)(41,46)(45,51)(48,52)(53,55);(40,41,47,53,43,48,50,51,44,46,54,55,49,52,42,45)

Conjugacy classes & character table

806 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC31×#12400, C31×#12401, C31×#12402, …
maximal normal subgroup ofC31×#12400, C31×#12401, C31×#12402, …
maximal quotient ofC31×#12908, C31×#13167, C31×#13168, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(3968, 987);