Finite Group Databasebeta

C31×#405 #14520586

order1984
nilpotency class2
isoclinismisoclinic class of D4
automorphism?
homologyAbelianization (H1) = C2×C42×C31 · Schur multiplier (H2) = C2×C4

Aliases

direct productC31×#405

Subgroups

subgroupG/H
centerC2×C8×C31C22
commutatorC2C2×C42×C31
Frattini, cosocleC2×C4C23×C31
socleC22×C31C22×C4
prime radicalC23×C31C2×C4
LCSG ▷ C2 ▷ C1
UCSC1 ◁ C2×C8×C31 ◁ G

130 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 51
transitive degreeμt(G) = 992

A minimal faithful permutation representation — 3 generators on 51 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)(36,37,39,42,40,43,46,49)(38,41,45,48,44,47,50,51);(32,33,34,35)(36,38)(37,41)(39,45)(40,44)(42,48)(43,47)(46,50)(49,51);(38,44)(41,47)(45,50)(48,51)

Conjugacy classes & character table

1240 conjugacy classes. The character table is too large to display.

Relationships

Fitting subgroup of#16843797, #16843800, #16845466, …
maximal subgroup ofC31×#1378, C31×#1379, C31×#1747, …
maximal normal subgroup ofC31×#1378, C31×#1379, C31×#1747, …
maximal quotient ofC8×M16×C31, C31×#1450, C31×#1451, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1984, 86);