Finite Group Databasebeta

#1938×C139 #31802564

order17792
nilpotency class3
automorphism?
homologyAbelianization (H1) = C22×C4×C139 · Schur multiplier (H2) = C2×C4

Aliases

direct product#1938×C139

Subgroups

subgroupG/H
centerC2×C4×C139C2×D4
commutatorC2×C4C22×C4×C139
Frattini, cosocleC22×C4C23×C139
socleC22×C139C4×D4
prime radicalC2×#41×C139C22
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4×C139 ◁ C22×C8×C139 ◁ G

222 conjugacy classes of subgroups; only the 96 normal subgroups are shown.

normal subgroups only

This group has 222 conjugacy classes of subgroups — too many to draw. Only its 96 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) = 159
transitive degreeμt(G) = 4448

A minimal faithful permutation representation — 3 generators on 159 points:

(1,2)(3,4)(5,6,9,13,10,14,8,11)(7,15,18,12,16,19,17,20)(21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159);(6,11,14,13)(7,16)(12,19,20,15)(17,18);(2,4)(5,7,8,17,10,16,9,18)(6,12,13,19,14,20,11,15)

Conjugacy classes & character table

4448 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofC2×#1938×C139, C139×#21098, C139×#21099, …
maximal normal subgroup ofC2×#1938×C139, C139×#21098, C139×#21099, …
maximal quotient ofC139×#9555, C139×#9556, C139×#9557, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17792, 670);