Finite Group Databasebeta

C31×#390 #14520571

order1984
nilpotency class2
isoclinismisoclinic class of #120
automorphism?
homologyAbelianization (H1) = C22×C4×C31 · Schur multiplier (H2) = C23×C4

Aliases

direct productC31×#390

Subgroups

subgroupG/H
center, socleC23×C31C23
commutatorC22C22×C4×C31
Frattini, cosocleC23C23×C31
prime radicalC22×D4×C31C2
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C23×C31 ◁ G

258 conjugacy classes of subgroups; only the 106 normal subgroups are shown.

normal subgroups only

This group has 258 conjugacy classes of subgroups — too many to draw. Only its 106 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) = 43
transitive degreeμt(G) = 992

A minimal faithful permutation representation — 3 generators on 43 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)(33,35)(37,38)(40,41,43,42);(36,37,39,38)(40,42,43,41);(32,33,34,35)(36,38,39,37)

Conjugacy classes & character table

868 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#16843532, #16843643, #16843836, …
maximal subgroup ofC31×#1270, C31×#1318, C31×#1393, …
maximal normal subgroup ofC31×#1270, C31×#1318, C31×#1393, …
maximal quotient ofC31×C4⋊#95, C31×#1437, C31×#1438, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1984, 71);