Finite Group Databasebeta

C31×#2078 #16842011

order3968
nilpotency class3
isoclinismisoclinic class of #2018
automorphism?
homologyAbelianization (H1) = C23×C31 · Schur multiplier (H2) = C22

Aliases

direct productC31×#2078

Subgroups

subgroupG/H
center, socleC22×C31#121
commutator, Frattini, cosocleC22×C4C23×C31
prime radicalC2×#41×C31C22
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C31 ◁ C22×C4×C31 ◁ G

198 conjugacy classes of subgroups; only the 76 normal subgroups are shown.

normal subgroups only

This group has 198 conjugacy classes of subgroups — too many to draw. Only its 76 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)(40,41,43,48,45,49,44,47)(42,46,51,54,52,53,50,55);(33,36)(37,39)(40,42)(41,46)(43,51)(44,50)(45,52)(47,55)(48,54)(49,53);(32,34,35,38)(33,37,36,39)(41,47)(42,50)(43,44)(46,53)(48,49)(51,52)

Conjugacy classes & character table

806 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC31×#12284, C31×#12285, C31×#12286, …
maximal normal subgroup ofC31×#12284, C31×#12285, C31×#12286, …
maximal quotient ofC31×#10615, C31×#10616, C31×#10617, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(3968, 810);