Finite Group Databasebeta

C31×#1908 #16841841

order3968
nilpotency class3
automorphism?
homologyAbelianization (H1) = C22×C4×C31 · Schur multiplier (H2) = C24

Aliases

direct productC31×#1908

Subgroups

subgroupG/H
center, socleC22×C31#121
commutatorC2×C4C22×C4×C31
Frattini, cosocleC22×C4C23×C31
prime radicalC2×#41×C31C22
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C31 ◁ C22×C4×C31 ◁ G

312 conjugacy classes of subgroups; only the 112 normal subgroups are shown.

normal subgroups only

This group has 312 conjugacy classes of subgroups — too many to draw. Only its 112 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) = 51
transitive degreeμt(G) = 1984

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)(32,33)(34,35)(36,37,41,43,40,39,47,48)(38,44,45,51,46,42,49,50);(36,38,41,49,40,46,47,45)(37,42,48,50,39,44,43,51);(33,35)(36,39)(37,40)(38,44)(41,43)(42,46)(45,50)(47,48)(49,51)

Conjugacy classes & character table

992 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×C31×#1908, C31×#21003, C31×#21004, …
maximal normal subgroup ofC2×C31×#1908, C31×#21003, C31×#21004, …
maximal quotient ofC31×#9096, C31×#9098, C31×#9165, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(3968, 640);