Finite Group Databasebeta

C31×#2243 #16842176

order3968
nilpotency class4
isoclinismisoclinic class of #2218
automorphism?
homologyAbelianization (H1) = C23×C31 · Schur multiplier (H2) = C4

Aliases

direct productC31×#2243

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 64 normal subgroups are shown.

normal subgroups only

This group has 142 conjugacy classes of subgroups — too many to draw. Only its 64 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)(34,37)(35,36)(38,39)(40,41)(42,51)(43,48)(44,47)(45,53)(46,50)(49,52)(54,55);(33,36)(37,39)(40,41,44,48,45,49,51,55,46,50,54,42,52,53,43,47);(32,34,35,38)(33,37,36,39)(40,42,43,50,52,55,54,49,46,48,51,41,45,47,44,53)

Conjugacy classes & character table

806 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC31×#12376, C31×#12377, C31×#12378, …
maximal normal subgroup ofC31×#12376, C31×#12377, C31×#12378, …
maximal quotient ofC31×#12890, C31×#13149, C31×#13150, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(3968, 975);