Finite Group Databasebeta

C31×#3255 #16843188

order3968
nilpotency class3
isoclinismisoclinic class of #3192
automorphism?
homologyAbelianization (H1) = C24×C31 · Schur multiplier (H2) = C24

Aliases

direct productC31×#3255

Subgroups

subgroupG/H
center, socleC22×C31C22×D4
commutator, Frattini, cosocleC2×C4C24×C31
prime radicalC23×C31C2×D4
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C31 ◁ C2×C42×C31 ◁ G

342 conjugacy classes of subgroups; only the 176 normal subgroups are shown.

normal subgroups only

This group has 342 conjugacy classes of subgroups — too many to draw. Only its 176 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)(33,36)(34,38)(40,41,45,48)(42,46,44,53)(43,50,52,54)(47,51,55,49);(32,33)(34,37)(35,36)(38,39)(40,42,45,44)(41,46,48,53)(43,51,52,49)(47,50,55,54);(33,36)(37,39)(40,43,45,52)(41,47,48,55)(42,49,44,51)(46,54,53,50);(32,34,35,38)(33,37,36,39)

Conjugacy classes & character table

806 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC31×#10113, C31×#10115, C31×#10117, …
maximal normal subgroup ofC31×#10113, C31×#10115, C31×#10117, …
maximal quotient ofC31×#21894, C31×#21964, C31×#22118, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(3968, 1987);