Finite Group Databasebeta

C31×#2226 #16842159

order3968
nilpotency class4
isoclinismisoclinic class of #2184
automorphism?
homologyAbelianization (H1) = C23×C31 · Schur multiplier (H2) = C22

Aliases

direct productC31×#2226

Subgroups

subgroupG/H
center, socleC22×C31C2×D8
commutator, Frattini, cosocleC2×C8C23×C31
prime radicalC2×D8×C31C22
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C31 ◁ C42×C31 ◁ C4×C8×C31 ◁ G

142 conjugacy classes of subgroups; only the 68 normal subgroups are shown.

normal subgroups only

This group has 142 conjugacy classes of subgroups — too many to draw. Only its 68 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 — 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)(40,41,44,48)(42,45,51,54)(43,52,50,47)(46,55,53,49);(32,34,35,39)(33,36,37,38);(41,45)(42,49)(43,50)(46,47)(48,54)(51,55)(52,53)

Conjugacy classes & character table

899 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC31×#12372, C31×#12375, C31×#12378, …
maximal normal subgroup ofC31×#12372, C31×#12375, C31×#12378, …
maximal quotient ofC31×#12811, C31×#12937, C31×#13111, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(3968, 958);