Finite Group Databasebeta

C2×C4×Q8×C31 #14520697

order1984
nilpotency class2
isoclinismisoclinic class of D4
automorphism?
homologyAbelianization (H1) = C23×C4×C31 · Schur multiplier (H2) = C25

Aliases

direct productC2×C4×Q8×C31

Subgroups

subgroupG/H
centerC22×C4×C31C22
commutatorC2C23×C4×C31
Frattini, cosocleC22C24×C31
socle, prime radicalC23×C31C23
LCSG ▷ C2 ▷ C1
UCSC1 ◁ C22×C4×C31 ◁ G

298 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 45
transitive degreeμt(G) = 1984

A minimal faithful permutation representation — 4 generators on 45 points:

(1,2)(15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45);(3,4,5,6);(7,8,9,10)(11,14,13,12);(7,11,9,13)(8,12,10,14)

Conjugacy classes & character table

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

Relationships

Fitting subgroup of#16844035, #16844055, C2×Q8⋊(C31⋊C8), …
maximal subgroup ofC31×#1461, C31×#1467, C2×C31×Q8⋊C8, …
maximal normal subgroup ofC31×#1461, C31×#1467, C2×C31×Q8⋊C8, …
maximal quotient ofC2×C4×C4⋊C4×C31, C42×Q8×C31, C2×C31×#387, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1984, 197);