Finite Group Databasebeta

C31×#3142 #16843075

order3968
nilpotency class3
isoclinismisoclinic class of #3055
automorphism?
homologyAbelianization (H1) = C24×C31 · Schur multiplier (H2) = C23×C4

Aliases

direct productC31×#3142

Subgroups

subgroupG/H
center, socleC22×C31C22×D4
commutator, Frattini, cosocleC2×C4C24×C31
prime radicalC31×#532C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C31 ◁ C2×C42×C31 ◁ G

392 conjugacy classes of subgroups; only the 184 normal subgroups are shown.

normal subgroups only

This group has 392 conjugacy classes of subgroups — too many to draw. Only its 184 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 55
transitive degreeμt(G) = 1984

A minimal faithful permutation representation — 4 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)(34,37)(35,36)(38,39)(40,41)(42,51)(43,46)(44,48)(45,50)(47,54)(49,52)(53,55);(33,36)(37,39)(40,42,52,53,45,54,44,43)(41,46,48,47,50,55,49,51);(32,34,35,38)(33,37,36,39)(40,43,44,54,45,53,52,42)(41,47,49,46,50,51,48,55);(40,44,45,52)(41,48,50,49)(42,53,54,43)(46,51,55,47)

Conjugacy classes & character table

992 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC31×#9442, C31×#10019, C31×#10021, …
maximal normal subgroup ofC31×#9442, C31×#10019, C31×#10021, …
maximal quotient ofC31×#20765, C31×#21093, C31×#21201, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(3968, 1874);