Finite Group Databasebeta

C31×#1909 #16841842

order3968
nilpotency class3
isoclinismisoclinic class of #1909
automorphism?
homologyAbelianization (H1) = C22×C4×C31 · Schur multiplier (H2) = C24

Aliases

direct productC31×#1909

Subgroups

subgroupG/H
center, socleC2×C31#386
commutatorC2×C4C22×C4×C31
Frattini, cosocleC22×C4C23×C31
prime radicalC2×#41×C31C22
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C31 ◁ C22×C4×C31 ◁ G

312 conjugacy classes of subgroups; only the 108 normal subgroups are shown.

normal subgroups only

This group has 312 conjugacy classes of subgroups — too many to draw. Only its 108 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) = 63
transitive degreeμt(G) = 992

A minimal faithful permutation representation — 3 generators on 63 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)(34,42)(35,46,48,39)(36,49)(37,41)(38,44)(40,51)(43,56,59,63)(45,57)(47,54,50,55)(52,58,62,60)(53,61);(32,34,36,44,37,45,51,61)(33,38,40,42,41,53,49,57)(35,43,50,60,48,59,47,58)(39,52,55,56,46,62,54,63);(32,35)(33,39)(34,43)(36,50)(37,48)(38,52)(40,55)(41,46)(42,56)(44,60)(45,59)(47,51)(49,54)(53,62)(57,63)(58,61)

Conjugacy classes & character table

899 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC31×#12756, C31×#12757, C31×#12779, …
maximal normal subgroup ofC31×#12756, C31×#12757, C31×#12779, …
maximal quotient ofC31×#9099, C31×#9100, C31×#9103, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(3968, 641);